From 0f9a1f74c9a9fa142912cd5299b99c84971eac15 Mon Sep 17 00:00:00 2001
From: camperbot <camperbot@users.noreply.github.com>
Date: Mon, 13 Mar 2023 19:41:01 +0530
Subject: [PATCH] chore(i18n,learn): processed translations (#49694)

---
 ...rest-parameter-with-function-parameters.md |  2 +-
 ...-response-mime-type-with-helmet.nosniff.md |  2 +-
 ...-of-clickjacking-with-helmet.frameguard.md |  2 +-
 .../60a3e3396c7b40068ad69993.md               |  2 +-
 .../html-boilerplate-question-c.md            |  2 +-
 ...rest-parameter-with-function-parameters.md |  2 +-
 ...-response-mime-type-with-helmet.nosniff.md |  2 +-
 ...-of-clickjacking-with-helmet.frameguard.md |  2 +-
 .../60a3e3396c7b40068ad69993.md               |  2 +-
 .../html-boilerplate-question-c.md            |  2 +-
 ...rest-parameter-with-function-parameters.md |  2 +-
 ...-response-mime-type-with-helmet.nosniff.md |  2 +-
 ...-of-clickjacking-with-helmet.frameguard.md |  2 +-
 .../60a3e3396c7b40068ad69993.md               |  2 +-
 .../html-boilerplate-question-c.md            |  2 +-
 ...rest-parameter-with-function-parameters.md |  2 +-
 ...-response-mime-type-with-helmet.nosniff.md |  2 +-
 ...-of-clickjacking-with-helmet.frameguard.md |  2 +-
 .../60a3e3396c7b40068ad69993.md               |  2 +-
 .../html-boilerplate-question-c.md            |  2 +-
 ...rest-parameter-with-function-parameters.md |  2 +-
 ...-response-mime-type-with-helmet.nosniff.md |  2 +-
 ...-of-clickjacking-with-helmet.frameguard.md |  2 +-
 .../60a3e3396c7b40068ad69993.md               |  2 +-
 .../html-boilerplate-question-c.md            |  2 +-
 ...rest-parameter-with-function-parameters.md |  2 +-
 ...h-javascript-using-the-onclick-property.md |  4 ++--
 ...-response-mime-type-with-helmet.nosniff.md |  2 +-
 ...-of-clickjacking-with-helmet.frameguard.md |  2 +-
 .../60a3e3396c7b40068ad69993.md               |  2 +-
 .../html-boilerplate-question-c.md            |  2 +-
 .../assignment-with-a-returned-value.md       |  4 ++--
 .../escape-sequences-in-strings.md            | 24 +++++++++----------
 .../finding-a-remainder-in-javascript.md      |  6 ++---
 .../replacing-if-else-chains-with-switch.md   | 14 +++++------
 ...rest-parameter-with-function-parameters.md |  2 +-
 .../sum-all-odd-fibonacci-numbers.md          |  2 +-
 .../how-to-use-passport-strategies.md         |  2 +-
 ...ementation-of-social-authentication-iii.md |  2 +-
 ...-response-mime-type-with-helmet.nosniff.md |  2 +-
 ...-of-clickjacking-with-helmet.frameguard.md |  2 +-
 .../60a3e3396c7b40068ad69993.md               |  2 +-
 .../html-boilerplate-question-c.md            |  2 +-
 ...lege-algebra-with-python-certification.yml | 12 +++++-----
 ...rest-parameter-with-function-parameters.md |  2 +-
 ...h-javascript-using-the-onclick-property.md |  4 ++--
 ...-response-mime-type-with-helmet.nosniff.md |  2 +-
 ...-of-clickjacking-with-helmet.frameguard.md |  2 +-
 .../60a3e3396c7b40068ad69993.md               |  2 +-
 .../html-boilerplate-question-c.md            |  2 +-
 ...rest-parameter-with-function-parameters.md |  2 +-
 ...-response-mime-type-with-helmet.nosniff.md |  2 +-
 ...-of-clickjacking-with-helmet.frameguard.md |  2 +-
 .../60a3e3396c7b40068ad69993.md               |  2 +-
 .../html-boilerplate-question-c.md            |  2 +-
 55 files changed, 82 insertions(+), 82 deletions(-)

diff --git a/curriculum/challenges/arabic/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md b/curriculum/challenges/arabic/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
index 35f80e2f6c1..cada1dfdc73 100644
--- a/curriculum/challenges/arabic/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
+++ b/curriculum/challenges/arabic/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
@@ -22,7 +22,7 @@ console.log(howMany("string", null, [1, 2, 3], { }));
 
 ستعرض وحدة التحكم السلاسل `You have passed 3 arguments.` و `You have passed 4 arguments.`.
 
-يزيل وسيط rest الحاجة إلى التحقق من القائمة (array) المسمى `args` وتسمح لك باستعمال `map()` و `filter()` و `reduce()` في وسائط القائمة.
+The rest parameter eliminates the need to use the `arguments` object and allows us to use array methods on the array of parameters passed to the function `howMany`.
 
 # --instructions--
 
diff --git a/curriculum/challenges/arabic/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md b/curriculum/challenges/arabic/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
index bdfe0a5f4e0..1c8b0a039da 100644
--- a/curriculum/challenges/arabic/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
+++ b/curriculum/challenges/arabic/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
@@ -8,7 +8,7 @@ dashedName: avoid-inferring-the-response-mime-type-with-helmet-nosniff
 
 # --description--
 
-As a reminder, this project is being built upon the following starter project on <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a>, or cloned from <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a>. Browsers can use content or MIME sniffing to override response `Content-Type` headers to guess and process the data using an implicit content type. While this can be convenient in some scenarios, it can also lead to some dangerous attacks. This middleware sets the X-Content-Type-Options header to `nosniff`, instructing the browser to not bypass the provided `Content-Type`.
+As a reminder, this project is being built upon the following starter project on <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a>, or cloned from <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a>. Browsers can use content or MIME sniffing to override the `Content-Type` header of a response to guess and process the data using an implicit content type. While this can be convenient in some scenarios, it can also lead to some dangerous attacks. This middleware sets the `X-Content-Type-Options` header to `nosniff`, instructing the browser to not bypass the provided `Content-Type`.
 
 # --instructions--
 
diff --git a/curriculum/challenges/arabic/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md b/curriculum/challenges/arabic/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
index 6b032da9b70..5c9c9d7b740 100644
--- a/curriculum/challenges/arabic/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
+++ b/curriculum/challenges/arabic/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
@@ -10,7 +10,7 @@ dashedName: mitigate-the-risk-of-clickjacking-with-helmet-frameguard
 
 As a reminder, this project is being built upon the following starter project on <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a>, or cloned from <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a>.
 
-Your page could be put in a `<frame>` or `<iframe>` without your consent. This can result in clickjacking attacks, among other things. Clickjacking is a technique of tricking a user into interacting with a page different from what the user thinks it is. This can be obtained executing your page in a malicious context, by mean of iframing. In that context a hacker can put a hidden layer over your page. Hidden buttons can be used to run bad scripts. This middleware sets the X-Frame-Options header. It restricts who can put your site in a frame. It has three modes: DENY, SAMEORIGIN, and ALLOW-FROM.
+Your page could be put in a `<frame>` or `<iframe>` without your consent. This can result in clickjacking attacks, among other things. Clickjacking is a technique of tricking a user into interacting with a page different from what the user thinks it is. This can be obtained by executing your page in a malicious context, by means of iframing. In that context, a hacker can put a hidden layer over your page. Hidden buttons can be used to run bad scripts. This middleware sets the X-Frame-Options header. It restricts who can put your site in a frame. It has three modes: DENY, SAMEORIGIN, and ALLOW-FROM.
 
 We don’t need our app to be framed.
 
diff --git a/curriculum/challenges/arabic/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md b/curriculum/challenges/arabic/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
index 22522856a19..fde1d37e417 100644
--- a/curriculum/challenges/arabic/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
+++ b/curriculum/challenges/arabic/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
@@ -7,7 +7,7 @@ dashedName: step-41
 
 # --description--
 
-استخدم خاصية `border-radius` على منتقي `.two`، لتعيين top-left و bottom-right radii إلى `8px`، و top-right و bottom-left radii إلى `10px`.
+Use the `border-radius` property on the `.two` selector, to set its top-left radius and bottom-right radius to `8px`, and top-right radius and bottom-left radius to `10px`.
 
 # --hints--
 
diff --git a/curriculum/challenges/arabic/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md b/curriculum/challenges/arabic/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
index 8ce35fdeec2..e4ddaa12c4b 100644
--- a/curriculum/challenges/arabic/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
+++ b/curriculum/challenges/arabic/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
@@ -10,7 +10,7 @@ dashedName: html-boilerplate-question-c
 The `<head>` element is where you put important meta-information about your webpages, and stuff required for your webpages to render correctly in the browser. Inside the `<head>`, you should not use any element that displays content on the webpage.
 
 ## The Charset Meta Element
-You should always have the `meta` tag for the charset encoding of the webpage in the head element: `<meta charset="utf-8">`.
+You should always have the `meta` tag for the `charset` encoding of the webpage in the `head` element: `<meta charset="utf-8">`.
 
 Setting the encoding is very important because it ensures that the webpage will display special symbols and characters from different languages correctly in the browser.
 
diff --git a/curriculum/challenges/chinese-traditional/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md b/curriculum/challenges/chinese-traditional/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
index 5acd5eff0a3..f13cfaabba5 100644
--- a/curriculum/challenges/chinese-traditional/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
+++ b/curriculum/challenges/chinese-traditional/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
@@ -22,7 +22,7 @@ console.log(howMany("string", null, [1, 2, 3], { }));
 
 控制檯將顯示字符串 `You have passed 3 arguments.` 和 `You have passed 4 arguments.`。
 
-使用 rest 參數，就不需要查看 `args` 數組，並且允許我們在參數數組上使用 `map()`、`filter()` 和 `reduce()`。
+The rest parameter eliminates the need to use the `arguments` object and allows us to use array methods on the array of parameters passed to the function `howMany`.
 
 # --instructions--
 
diff --git a/curriculum/challenges/chinese-traditional/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md b/curriculum/challenges/chinese-traditional/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
index d571f58afd7..8a37f7b76aa 100644
--- a/curriculum/challenges/chinese-traditional/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
+++ b/curriculum/challenges/chinese-traditional/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
@@ -8,7 +8,7 @@ dashedName: avoid-inferring-the-response-mime-type-with-helmet-nosniff
 
 # --description--
 
-請注意，本項目是在 <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a> 上的初始化項目的基礎上進行開發，你也可以從 <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a> 上克隆。 瀏覽器可以使用內容或 MIME 嗅探來覆蓋響應的 `Content-Type` 頭，猜測並使用隱含的內容類型來處理數據。 雖然這在某些情況下可能很方便，但也可能導致一些危險的攻擊。 該中間件將 X-Content-Type-Options 頭設置爲 `nosniff`，指示瀏覽器不要繞過所提供的 `Content-Type`。
+請注意，本項目是在 <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a> 上的初始化項目的基礎上進行開發，你也可以從 <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a> 上克隆。 Browsers can use content or MIME sniffing to override the `Content-Type` header of a response to guess and process the data using an implicit content type. 雖然這在某些情況下可能很方便，但也可能導致一些危險的攻擊。 This middleware sets the `X-Content-Type-Options` header to `nosniff`, instructing the browser to not bypass the provided `Content-Type`.
 
 # --instructions--
 
diff --git a/curriculum/challenges/chinese-traditional/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md b/curriculum/challenges/chinese-traditional/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
index 67ae8c4ea3e..351e6e0b7f4 100644
--- a/curriculum/challenges/chinese-traditional/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
+++ b/curriculum/challenges/chinese-traditional/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
@@ -10,7 +10,7 @@ dashedName: mitigate-the-risk-of-clickjacking-with-helmet-frameguard
 
 請注意，本項目是在 <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a> 上的初始化項目的基礎上進行開發，你也可以從 <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a> 上克隆。
 
-你的網頁可能在未經你同意的情況下被放在 `<frame>` 或 `<iframe>` 中。 這可能會導致點擊劫持攻擊等情況。 點擊劫持是一種欺騙用戶的技術，使其與用戶認爲不同的頁面進行互動。 這可以通過使用 iframe 的方式，在一個惡意的環境中執行你的頁面而獲得。 在這種情況下，黑客可以在你的頁面上設置一個隱藏層。 隱藏的按鈕可以被用來運行壞的腳本。 該中間件設置 X-Frame-Options 頭。 它限制了誰可以把你的網站放在一個框架裏。 它有三種模式：DENY、SAMEORIGIN 和 ALLOW-FROM。
+你的網頁可能在未經你同意的情況下被放在 `<frame>` 或 `<iframe>` 中。 這可能會導致點擊劫持攻擊等情況。 點擊劫持是一種欺騙用戶的技術，使其與用戶認爲不同的頁面進行互動。 This can be obtained by executing your page in a malicious context, by means of iframing. In that context, a hacker can put a hidden layer over your page. 隱藏的按鈕可以被用來運行壞的腳本。 該中間件設置 X-Frame-Options 頭。 它限制了誰可以把你的網站放在一個框架裏。 它有三種模式：DENY、SAMEORIGIN 和 ALLOW-FROM。
 
 我們不需要讓我們的應用程序可以被嵌入。
 
diff --git a/curriculum/challenges/chinese-traditional/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md b/curriculum/challenges/chinese-traditional/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
index 394a2810362..e01c19bb871 100644
--- a/curriculum/challenges/chinese-traditional/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
+++ b/curriculum/challenges/chinese-traditional/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
@@ -7,7 +7,7 @@ dashedName: step-41
 
 # --description--
 
-使用 `.two` 選擇器的 `border-radius` 屬性，將其左上角和右下角半徑設置爲 `8px`，然後將右上角和左下角半徑設置爲 `10px`。
+Use the `border-radius` property on the `.two` selector, to set its top-left radius and bottom-right radius to `8px`, and top-right radius and bottom-left radius to `10px`.
 
 # --hints--
 
diff --git a/curriculum/challenges/chinese-traditional/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md b/curriculum/challenges/chinese-traditional/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
index 8ce35fdeec2..e4ddaa12c4b 100644
--- a/curriculum/challenges/chinese-traditional/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
+++ b/curriculum/challenges/chinese-traditional/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
@@ -10,7 +10,7 @@ dashedName: html-boilerplate-question-c
 The `<head>` element is where you put important meta-information about your webpages, and stuff required for your webpages to render correctly in the browser. Inside the `<head>`, you should not use any element that displays content on the webpage.
 
 ## The Charset Meta Element
-You should always have the `meta` tag for the charset encoding of the webpage in the head element: `<meta charset="utf-8">`.
+You should always have the `meta` tag for the `charset` encoding of the webpage in the `head` element: `<meta charset="utf-8">`.
 
 Setting the encoding is very important because it ensures that the webpage will display special symbols and characters from different languages correctly in the browser.
 
diff --git a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
index cb07ead8f80..3b94f08742a 100644
--- a/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
+++ b/curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
@@ -22,7 +22,7 @@ console.log(howMany("string", null, [1, 2, 3], { }));
 
 控制台将显示字符串 `You have passed 3 arguments.` 和 `You have passed 4 arguments.`。
 
-使用 rest 参数，就不需要查看 `args` 数组，并且允许我们在参数数组上使用 `map()`、`filter()` 和 `reduce()`。
+The rest parameter eliminates the need to use the `arguments` object and allows us to use array methods on the array of parameters passed to the function `howMany`.
 
 # --instructions--
 
diff --git a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
index e51c0faa5d7..c7733bcb8d7 100644
--- a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
+++ b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
@@ -8,7 +8,7 @@ dashedName: avoid-inferring-the-response-mime-type-with-helmet-nosniff
 
 # --description--
 
-请注意，本项目是在 <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a> 上的初始化项目的基础上进行开发，你也可以从 <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a> 上克隆。 浏览器可以使用内容或 MIME 嗅探来覆盖响应的 `Content-Type` 头，猜测并使用隐含的内容类型来处理数据。 虽然这在某些情况下可能很方便，但也可能导致一些危险的攻击。 该中间件将 X-Content-Type-Options 头设置为 `nosniff`，指示浏览器不要绕过所提供的 `Content-Type`。
+请注意，本项目是在 <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a> 上的初始化项目的基础上进行开发，你也可以从 <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a> 上克隆。 Browsers can use content or MIME sniffing to override the `Content-Type` header of a response to guess and process the data using an implicit content type. 虽然这在某些情况下可能很方便，但也可能导致一些危险的攻击。 This middleware sets the `X-Content-Type-Options` header to `nosniff`, instructing the browser to not bypass the provided `Content-Type`.
 
 # --instructions--
 
diff --git a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
index b1c9bd47c45..040165a4594 100644
--- a/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
+++ b/curriculum/challenges/chinese/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
@@ -10,7 +10,7 @@ dashedName: mitigate-the-risk-of-clickjacking-with-helmet-frameguard
 
 请注意，本项目是在 <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a> 上的初始化项目的基础上进行开发，你也可以从 <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a> 上克隆。
 
-你的网页可能在未经你同意的情况下被放在 `<frame>` 或 `<iframe>` 中。 这可能会导致点击劫持攻击等情况。 点击劫持是一种欺骗用户的技术，使其与用户认为不同的页面进行互动。 这可以通过使用 iframe 的方式，在一个恶意的环境中执行你的页面而获得。 在这种情况下，黑客可以在你的页面上设置一个隐藏层。 隐藏的按钮可以被用来运行坏的脚本。 该中间件设置 X-Frame-Options 头。 它限制了谁可以把你的网站放在一个框架里。 它有三种模式：DENY、SAMEORIGIN 和 ALLOW-FROM。
+你的网页可能在未经你同意的情况下被放在 `<frame>` 或 `<iframe>` 中。 这可能会导致点击劫持攻击等情况。 点击劫持是一种欺骗用户的技术，使其与用户认为不同的页面进行互动。 This can be obtained by executing your page in a malicious context, by means of iframing. In that context, a hacker can put a hidden layer over your page. 隐藏的按钮可以被用来运行坏的脚本。 该中间件设置 X-Frame-Options 头。 它限制了谁可以把你的网站放在一个框架里。 它有三种模式：DENY、SAMEORIGIN 和 ALLOW-FROM。
 
 我们不需要让我们的应用程序可以被嵌入。
 
diff --git a/curriculum/challenges/chinese/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md b/curriculum/challenges/chinese/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
index e5a5be59a47..ce427ca6d2f 100644
--- a/curriculum/challenges/chinese/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
+++ b/curriculum/challenges/chinese/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
@@ -7,7 +7,7 @@ dashedName: step-41
 
 # --description--
 
-使用 `.two` 选择器的 `border-radius` 属性，将其左上角和右下角半径设置为 `8px`，然后将右上角和左下角半径设置为 `10px`。
+Use the `border-radius` property on the `.two` selector, to set its top-left radius and bottom-right radius to `8px`, and top-right radius and bottom-left radius to `10px`.
 
 # --hints--
 
diff --git a/curriculum/challenges/chinese/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md b/curriculum/challenges/chinese/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
index 8ce35fdeec2..e4ddaa12c4b 100644
--- a/curriculum/challenges/chinese/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
+++ b/curriculum/challenges/chinese/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
@@ -10,7 +10,7 @@ dashedName: html-boilerplate-question-c
 The `<head>` element is where you put important meta-information about your webpages, and stuff required for your webpages to render correctly in the browser. Inside the `<head>`, you should not use any element that displays content on the webpage.
 
 ## The Charset Meta Element
-You should always have the `meta` tag for the charset encoding of the webpage in the head element: `<meta charset="utf-8">`.
+You should always have the `meta` tag for the `charset` encoding of the webpage in the `head` element: `<meta charset="utf-8">`.
 
 Setting the encoding is very important because it ensures that the webpage will display special symbols and characters from different languages correctly in the browser.
 
diff --git a/curriculum/challenges/espanol/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md b/curriculum/challenges/espanol/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
index 1bad6f93020..15817bf16e1 100644
--- a/curriculum/challenges/espanol/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
+++ b/curriculum/challenges/espanol/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
@@ -22,7 +22,7 @@ console.log(howMany("string", null, [1, 2, 3], { }));
 
 La consola mostrará las cadenas `You have passed 3 arguments.` y `You have passed 4 arguments.`.
 
-El parámetro rest elimina la necesidad de comprobar el arreglo `args` y nos permite aplicar `map()`, `filter()` y `reduce()` en el arreglo de parámetros.
+The rest parameter eliminates the need to use the `arguments` object and allows us to use array methods on the array of parameters passed to the function `howMany`.
 
 # --instructions--
 
diff --git a/curriculum/challenges/espanol/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md b/curriculum/challenges/espanol/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
index c87e37be5ba..e2eadb4cd8e 100644
--- a/curriculum/challenges/espanol/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
+++ b/curriculum/challenges/espanol/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
@@ -8,7 +8,7 @@ dashedName: avoid-inferring-the-response-mime-type-with-helmet-nosniff
 
 # --description--
 
-Como recordatorio, este proyecto esta contruido hasta el próximo proyecto inicial en <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a>, o clonado desde <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a>. Navegadores pueden usar contenido o recorte MIME para anular los encabezados de respuesta `Content-Type` headers para adivinar y procesar los datos usando un tipo de contenido implícito. Mientras esto puede ser conveniente en algunos escenarios, esto puede conducir a algunos ataques peligrosos. Este middleware configura el encabezado X-Content-Type-Options a `nosniff`, indicando al navegador no eluda el proporcionado `Content-Type`.
+Como recordatorio, este proyecto esta contruido hasta el próximo proyecto inicial en <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a>, o clonado desde <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a>. Browsers can use content or MIME sniffing to override the `Content-Type` header of a response to guess and process the data using an implicit content type. Mientras esto puede ser conveniente en algunos escenarios, esto puede conducir a algunos ataques peligrosos. This middleware sets the `X-Content-Type-Options` header to `nosniff`, instructing the browser to not bypass the provided `Content-Type`.
 
 # --instructions--
 
diff --git a/curriculum/challenges/espanol/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md b/curriculum/challenges/espanol/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
index 6b032da9b70..5c9c9d7b740 100644
--- a/curriculum/challenges/espanol/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
+++ b/curriculum/challenges/espanol/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
@@ -10,7 +10,7 @@ dashedName: mitigate-the-risk-of-clickjacking-with-helmet-frameguard
 
 As a reminder, this project is being built upon the following starter project on <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a>, or cloned from <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a>.
 
-Your page could be put in a `<frame>` or `<iframe>` without your consent. This can result in clickjacking attacks, among other things. Clickjacking is a technique of tricking a user into interacting with a page different from what the user thinks it is. This can be obtained executing your page in a malicious context, by mean of iframing. In that context a hacker can put a hidden layer over your page. Hidden buttons can be used to run bad scripts. This middleware sets the X-Frame-Options header. It restricts who can put your site in a frame. It has three modes: DENY, SAMEORIGIN, and ALLOW-FROM.
+Your page could be put in a `<frame>` or `<iframe>` without your consent. This can result in clickjacking attacks, among other things. Clickjacking is a technique of tricking a user into interacting with a page different from what the user thinks it is. This can be obtained by executing your page in a malicious context, by means of iframing. In that context, a hacker can put a hidden layer over your page. Hidden buttons can be used to run bad scripts. This middleware sets the X-Frame-Options header. It restricts who can put your site in a frame. It has three modes: DENY, SAMEORIGIN, and ALLOW-FROM.
 
 We don’t need our app to be framed.
 
diff --git a/curriculum/challenges/espanol/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md b/curriculum/challenges/espanol/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
index 8b06f00812e..cb1bd7f265f 100644
--- a/curriculum/challenges/espanol/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
+++ b/curriculum/challenges/espanol/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
@@ -7,7 +7,7 @@ dashedName: step-41
 
 # --description--
 
-Utilice la propiedad `border-radius` en el selector `.two` para establecer sus radios superior izquierdo e inferior derecho en `8px` y los radios superior derecho e inferior izquierdo en `10px`.
+Use the `border-radius` property on the `.two` selector, to set its top-left radius and bottom-right radius to `8px`, and top-right radius and bottom-left radius to `10px`.
 
 # --hints--
 
diff --git a/curriculum/challenges/espanol/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md b/curriculum/challenges/espanol/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
index 8ce35fdeec2..e4ddaa12c4b 100644
--- a/curriculum/challenges/espanol/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
+++ b/curriculum/challenges/espanol/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
@@ -10,7 +10,7 @@ dashedName: html-boilerplate-question-c
 The `<head>` element is where you put important meta-information about your webpages, and stuff required for your webpages to render correctly in the browser. Inside the `<head>`, you should not use any element that displays content on the webpage.
 
 ## The Charset Meta Element
-You should always have the `meta` tag for the charset encoding of the webpage in the head element: `<meta charset="utf-8">`.
+You should always have the `meta` tag for the `charset` encoding of the webpage in the `head` element: `<meta charset="utf-8">`.
 
 Setting the encoding is very important because it ensures that the webpage will display special symbols and characters from different languages correctly in the browser.
 
diff --git a/curriculum/challenges/german/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md b/curriculum/challenges/german/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
index b7f7d5aaa22..414ac5b85a9 100644
--- a/curriculum/challenges/german/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
+++ b/curriculum/challenges/german/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
@@ -22,7 +22,7 @@ console.log(howMany("string", null, [1, 2, 3], { }));
 
 Die Konsole würde die Strings `You have passed 3 arguments.` und `You have passed 4 arguments.` anzeigen.
 
-Der Restparameter macht die Überprüfung des `args`-Arrays überflüssig und ermöglicht es uns, `map()`, `filter()` und `reduce()` auf das Parameter-Array anzuwenden.
+The rest parameter eliminates the need to use the `arguments` object and allows us to use array methods on the array of parameters passed to the function `howMany`.
 
 # --instructions--
 
diff --git a/curriculum/challenges/german/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md b/curriculum/challenges/german/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
index bdfe0a5f4e0..1c8b0a039da 100644
--- a/curriculum/challenges/german/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
+++ b/curriculum/challenges/german/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
@@ -8,7 +8,7 @@ dashedName: avoid-inferring-the-response-mime-type-with-helmet-nosniff
 
 # --description--
 
-As a reminder, this project is being built upon the following starter project on <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a>, or cloned from <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a>. Browsers can use content or MIME sniffing to override response `Content-Type` headers to guess and process the data using an implicit content type. While this can be convenient in some scenarios, it can also lead to some dangerous attacks. This middleware sets the X-Content-Type-Options header to `nosniff`, instructing the browser to not bypass the provided `Content-Type`.
+As a reminder, this project is being built upon the following starter project on <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a>, or cloned from <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a>. Browsers can use content or MIME sniffing to override the `Content-Type` header of a response to guess and process the data using an implicit content type. While this can be convenient in some scenarios, it can also lead to some dangerous attacks. This middleware sets the `X-Content-Type-Options` header to `nosniff`, instructing the browser to not bypass the provided `Content-Type`.
 
 # --instructions--
 
diff --git a/curriculum/challenges/german/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md b/curriculum/challenges/german/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
index 6b032da9b70..5c9c9d7b740 100644
--- a/curriculum/challenges/german/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
+++ b/curriculum/challenges/german/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
@@ -10,7 +10,7 @@ dashedName: mitigate-the-risk-of-clickjacking-with-helmet-frameguard
 
 As a reminder, this project is being built upon the following starter project on <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a>, or cloned from <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a>.
 
-Your page could be put in a `<frame>` or `<iframe>` without your consent. This can result in clickjacking attacks, among other things. Clickjacking is a technique of tricking a user into interacting with a page different from what the user thinks it is. This can be obtained executing your page in a malicious context, by mean of iframing. In that context a hacker can put a hidden layer over your page. Hidden buttons can be used to run bad scripts. This middleware sets the X-Frame-Options header. It restricts who can put your site in a frame. It has three modes: DENY, SAMEORIGIN, and ALLOW-FROM.
+Your page could be put in a `<frame>` or `<iframe>` without your consent. This can result in clickjacking attacks, among other things. Clickjacking is a technique of tricking a user into interacting with a page different from what the user thinks it is. This can be obtained by executing your page in a malicious context, by means of iframing. In that context, a hacker can put a hidden layer over your page. Hidden buttons can be used to run bad scripts. This middleware sets the X-Frame-Options header. It restricts who can put your site in a frame. It has three modes: DENY, SAMEORIGIN, and ALLOW-FROM.
 
 We don’t need our app to be framed.
 
diff --git a/curriculum/challenges/german/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md b/curriculum/challenges/german/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
index dc4093b5edb..1fd07a0d303 100644
--- a/curriculum/challenges/german/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
+++ b/curriculum/challenges/german/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
@@ -7,7 +7,7 @@ dashedName: step-41
 
 # --description--
 
-Use the `border-radius` property on the `.two` selector, to set its top-left and bottom-right radii to `8px`, and top-right and bottom-left radii to `10px`.
+Use the `border-radius` property on the `.two` selector, to set its top-left radius and bottom-right radius to `8px`, and top-right radius and bottom-left radius to `10px`.
 
 # --hints--
 
diff --git a/curriculum/challenges/german/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md b/curriculum/challenges/german/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
index 8ce35fdeec2..e4ddaa12c4b 100644
--- a/curriculum/challenges/german/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
+++ b/curriculum/challenges/german/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
@@ -10,7 +10,7 @@ dashedName: html-boilerplate-question-c
 The `<head>` element is where you put important meta-information about your webpages, and stuff required for your webpages to render correctly in the browser. Inside the `<head>`, you should not use any element that displays content on the webpage.
 
 ## The Charset Meta Element
-You should always have the `meta` tag for the charset encoding of the webpage in the head element: `<meta charset="utf-8">`.
+You should always have the `meta` tag for the `charset` encoding of the webpage in the `head` element: `<meta charset="utf-8">`.
 
 Setting the encoding is very important because it ensures that the webpage will display special symbols and characters from different languages correctly in the browser.
 
diff --git a/curriculum/challenges/italian/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md b/curriculum/challenges/italian/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
index 06c3281ef69..8b5e8cf4878 100644
--- a/curriculum/challenges/italian/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
+++ b/curriculum/challenges/italian/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
@@ -22,7 +22,7 @@ console.log(howMany("string", null, [1, 2, 3], { }));
 
 La console mostrerà le stringhe `You have passed 3 arguments.` e `You have passed 4 arguments.`.
 
-Il parametro resto elimina la necessità di controllare l'array `args` e ci permette di applicare `map()`, `filter()` e `reduce()` all'array dei parametri.
+The rest parameter eliminates the need to use the `arguments` object and allows us to use array methods on the array of parameters passed to the function `howMany`.
 
 # --instructions--
 
diff --git a/curriculum/challenges/italian/04-data-visualization/json-apis-and-ajax/handle-click-events-with-javascript-using-the-onclick-property.md b/curriculum/challenges/italian/04-data-visualization/json-apis-and-ajax/handle-click-events-with-javascript-using-the-onclick-property.md
index c681025cb97..9f5da6a7d3c 100644
--- a/curriculum/challenges/italian/04-data-visualization/json-apis-and-ajax/handle-click-events-with-javascript-using-the-onclick-property.md
+++ b/curriculum/challenges/italian/04-data-visualization/json-apis-and-ajax/handle-click-events-with-javascript-using-the-onclick-property.md
@@ -16,7 +16,7 @@ document.addEventListener('DOMContentLoaded', function() {
 });
 ```
 
-Puoi implementare i gestori di eventi che vanno all'interno della funzione `DOMContentLoaded`. You can implement an `onclick` event handler which triggers when the user clicks on the `#getMessage` element, by adding the following code:
+Puoi implementare i gestori di eventi che vanno all'interno della funzione `DOMContentLoaded`. Puoi implementare un gestore di eventi `onclick` che si attiva quando l'utente fa click sull'elemento `#getMessage`, aggiungendo il seguente codice:
 
 ```js
 document.getElementById('getMessage').onclick = function(){};
@@ -28,7 +28,7 @@ Aggiungi un gestore di eventi click all'interno della funzione `DOMContentLoaded
 
 # --hints--
 
-Your code should use the `document.getElementById` method to select the element whose id is `getMessage`.
+Il tuo codice dovrebbe utilizzare il metodo `document.getElementById` per selezionare l'elemento con l'id `getMessage`.
 
 ```js
 assert(code.match(/document\s*\.getElementById\(\s*?('|")getMessage\1\s*?\)/g));
diff --git a/curriculum/challenges/italian/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md b/curriculum/challenges/italian/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
index 48cba30b9dd..51dc92039a8 100644
--- a/curriculum/challenges/italian/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
+++ b/curriculum/challenges/italian/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
@@ -8,7 +8,7 @@ dashedName: avoid-inferring-the-response-mime-type-with-helmet-nosniff
 
 # --description--
 
-Come promemoria, questo progetto verrà costruito a partire dalla seguente bozza su <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a>, o clonato da <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a>. I browser possono usare lo sniffing del contenuto o del MIME per sovrascrivere le intestazioni `Content-Type` per indovinare ed elaborare i dati utilizzando un tipo di contenuto implicito. Anche se questo può essere conveniente in alcuni scenari, può anche portare ad alcuni attacchi pericolosi. Questo middleware imposta l'intestazione X-Content-Type-Options a `nosniff`, istruendo il browser di non bypassare il tipo di contenuto fornito `Content-Type`.
+Come promemoria, questo progetto verrà costruito a partire dalla seguente bozza su <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a>, o clonato da <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a>. Browsers can use content or MIME sniffing to override the `Content-Type` header of a response to guess and process the data using an implicit content type. Anche se questo può essere conveniente in alcuni scenari, può anche portare ad alcuni attacchi pericolosi. This middleware sets the `X-Content-Type-Options` header to `nosniff`, instructing the browser to not bypass the provided `Content-Type`.
 
 # --instructions--
 
diff --git a/curriculum/challenges/italian/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md b/curriculum/challenges/italian/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
index f26d5d7f620..c0d8a3bf542 100644
--- a/curriculum/challenges/italian/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
+++ b/curriculum/challenges/italian/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
@@ -10,7 +10,7 @@ dashedName: mitigate-the-risk-of-clickjacking-with-helmet-frameguard
 
 Come promemoria, questo progetto verrà costruito a partire dalla seguente bozza su <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a>, o clonato da <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a>.
 
-La tua pagina potrebbe essere inserita in un `<frame>` o `<iframe>` senza il tuo consenso. Questo tra le altre cose può portare ad attacchi di clickjacking ("dirottamento dei click"). Il clickjacking è una tecnica per indurre un utente a interagire con una pagina diversa da quella che l'utente pensa che sia. Questo può essere ottenuto eseguendo la tua pagina in un contesto dannoso, per mezzo di iframing. In questo contesto un hacker può mettere un livello nascosto sulla tua pagina. I pulsanti nascosti possono essere usati per eseguire script dannosi. Questo middleware imposta l'intestazione X-Frame-Options. Limita chi può mettere il tuo sito in un iframe. Ha tre modalità: DENY, SAMEORIGIN, e ALLOW-FROM.
+La tua pagina potrebbe essere inserita in un `<frame>` o `<iframe>` senza il tuo consenso. Questo tra le altre cose può portare ad attacchi di clickjacking ("dirottamento dei click"). Il clickjacking è una tecnica per indurre un utente a interagire con una pagina diversa da quella che l'utente pensa che sia. This can be obtained by executing your page in a malicious context, by means of iframing. In that context, a hacker can put a hidden layer over your page. I pulsanti nascosti possono essere usati per eseguire script dannosi. Questo middleware imposta l'intestazione X-Frame-Options. Limita chi può mettere il tuo sito in un iframe. Ha tre modalità: DENY, SAMEORIGIN, e ALLOW-FROM.
 
 Non abbiamo bisogno che la nostra app sia in un iframe.
 
diff --git a/curriculum/challenges/italian/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md b/curriculum/challenges/italian/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
index d30ea1563eb..eaf7c80e619 100644
--- a/curriculum/challenges/italian/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
+++ b/curriculum/challenges/italian/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
@@ -7,7 +7,7 @@ dashedName: step-41
 
 # --description--
 
-Usa la proprietà `border-radius` sul selettore `.two`, per impostare i valori relativi agli angoli in alto a sinistra e in basso a destra su `8px` e quelli degli angoli in alto a destra e in basso a sinistra su `10px`.
+Use the `border-radius` property on the `.two` selector, to set its top-left radius and bottom-right radius to `8px`, and top-right radius and bottom-left radius to `10px`.
 
 # --hints--
 
diff --git a/curriculum/challenges/italian/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md b/curriculum/challenges/italian/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
index cf65aace2d4..01b938f23f5 100644
--- a/curriculum/challenges/italian/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
+++ b/curriculum/challenges/italian/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
@@ -10,7 +10,7 @@ dashedName: html-boilerplate-question-c
 L'elemento `<head>` contiene importanti metadati sulle pagine web e le cose necessarie per renderizzarle correttamente nel browser. All'interno dell'`<head>`, non dovresti usare nessun elemento che mostri del contenuto nella pagina web.
 
 ## L'elemento meta charset
-Il tag `meta` per la codifica dei caratteri della pagina web dovrebbe sempre essere nell'elemento head: `<meta charset="utf-8">`.
+You should always have the `meta` tag for the `charset` encoding of the webpage in the `head` element: `<meta charset="utf-8">`.
 
 Impostare la codifica è molto importante perché assicura che la pagina web mostri correttamente nel browser simboli speciali e caratteri provenienti da lingue diverse.
 
diff --git a/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/basic-javascript/assignment-with-a-returned-value.md b/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/basic-javascript/assignment-with-a-returned-value.md
index 09fb278575d..b280d194f95 100644
--- a/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/basic-javascript/assignment-with-a-returned-value.md
+++ b/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/basic-javascript/assignment-with-a-returned-value.md
@@ -11,13 +11,13 @@ dashedName: assignment-with-a-returned-value
 
 <a href="/japanese/learn/javascript-algorithms-and-data-structures/basic-javascript/storing-values-with-the-assignment-operator" target="_blank" rel="noopener noreferrer nofollow">「代入演算子を使用して値を格納する」</a>で説明したように、等号の右側の部分はすべて、値が代入される前に解決されます。 つまり、関数の戻り値を受け取って変数に代入することができます。
 
-Assume we have defined a function `sum` which adds two numbers together.
+2 つの数値を足し算する関数 `sum` が定義されているとします。
 
 ```js
 ourSum = sum(5, 12);
 ```
 
-Calling the `sum` function with the arguments of `5` and `12` produces a return value of `17`. This return value is assigned to the `ourSum` variable.
+`sum` 関数を `5` と `12` の引数で呼び出すと、`17` の戻り値が返されます。 この戻り値は `ourSum` 変数に代入されます。
 
 # --instructions--
 
diff --git a/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/basic-javascript/escape-sequences-in-strings.md b/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/basic-javascript/escape-sequences-in-strings.md
index d9a59ae9773..2a6edfc33af 100644
--- a/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/basic-javascript/escape-sequences-in-strings.md
+++ b/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/basic-javascript/escape-sequences-in-strings.md
@@ -9,15 +9,15 @@ dashedName: escape-sequences-in-strings
 
 # --description--
 
-文字列の中で<dfn>エスケープ</dfn>できる文字は引用符だけではありません。 Escape sequences allow you to use characters you may not otherwise be able to use in a string.
+文字列の中で<dfn>エスケープ</dfn>できる文字は引用符だけではありません。 エスケープシーケンスを使用すると、文字列で通常は使用できない文字を使用できます。
 
 <table class='table table-striped'><thead><tr><th>コード</th><th>出力</th></tr></thead><tbody><tr><td><code>\'</code></td><td>シングルクォート</td></tr><tr><td><code>\"</code></td><td>ダブルクォート</td></tr><tr><td><code>\\</code></td><td>バックスラッシュ (日本語では円記号)</td></tr><tr><td><code>\n</code></td><td>改行</td></tr><tr><td><code>\t</code></td><td>タブ</td></tr><tr><td><code>\r</code></td><td>キャリッジリターン</td></tr><tr><td><code>\b</code></td><td>単語境界</td></tr><tr><td><code>\f</code></td><td>改ページ</td></tr></tbody></table>
 
-*Note that the backslash itself must be escaped in order to display as a backslash.*
+*バックスラッシュ自体をバックスラッシュとして表示するためにはエスケープする必要があります。*
 
 # --instructions--
 
-Assign the following three lines of text into the single variable `myStr` using escape sequences.
+エスケープシーケンスを使用して、単一の変数 `myStr` に次の 3 行のテキストを代入してください。
 
 <pre>
 FirstLine
@@ -25,19 +25,19 @@ FirstLine
 ThirdLine
 </pre>
 
-You will need to use escape sequences to insert special characters correctly. You will also need to follow the spacing as it looks above, with no spaces between escape sequences or words.
+特殊文字を正しく挿入するにはエスケープシーケンスを使用する必要があります。 また、エスケープシーケンスや単語の間にスペースを入れず、上記のとおりに表示する必要があります。
 
-**Note:** The indentation for `SecondLine` is achieved with the tab escape character, not spaces.
+**注:** `SecondLine` にインデントを付けるには、スペースではなくタブエスケープ文字を使用します。
 
 # --hints--
 
-`myStr` should not contain any spaces
+`myStr` にスペースを含めてはいけません
 
 ```js
 assert(!/ /.test(myStr));
 ```
 
-`myStr` should contain the strings `FirstLine`, `SecondLine` and `ThirdLine` (remember case sensitivity)
+`myStr` には文字列 `FirstLine`、`SecondLine`、および `ThirdLine` を含める必要があります (大文字小文字を正しく区別してください)
 
 ```js
 assert(
@@ -45,31 +45,31 @@ assert(
 );
 ```
 
-`FirstLine` should be followed by the newline character `\n`
+`FirstLine` の直後に改行文字 `\n` を付ける必要があります
 
 ```js
 assert(/FirstLine\n/.test(myStr));
 ```
 
-`myStr` should contain a tab character `\t` which follows a newline character
+`myStr` には改行文字に続けてタブ文字 `\t` を含める必要があります
 
 ```js
 assert(/\n\t/.test(myStr));
 ```
 
-`SecondLine` should be preceded by the backslash character `\`
+`SecondLine` の前にバックスラッシュ文字 `\` を付ける必要があります
 
 ```js
 assert(/\\SecondLine/.test(myStr));
 ```
 
-There should be a newline character between `SecondLine` and `ThirdLine`
+`SecondLine` と `ThirdLine` の間に改行文字を入れる必要があります
 
 ```js
 assert(/SecondLine\nThirdLine/.test(myStr));
 ```
 
-`myStr` should only contain characters shown in the instructions
+`myStr` には指示された文字だけを含める必要があります
 
 ```js
 assert(myStr === 'FirstLine\n\t\\SecondLine\nThirdLine');
diff --git a/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/basic-javascript/finding-a-remainder-in-javascript.md b/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/basic-javascript/finding-a-remainder-in-javascript.md
index ece2fb570b4..734187bd96c 100644
--- a/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/basic-javascript/finding-a-remainder-in-javascript.md
+++ b/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/basic-javascript/finding-a-remainder-in-javascript.md
@@ -15,13 +15,13 @@ dashedName: finding-a-remainder-in-javascript
 
 <pre>
 5 % 2 = 1
-5 / 2 = 2 remainder 1
+5 / 2 = 2 余り1
 2 * 2 = 4
 5 - 4 = 1
 </pre>
 
-**Usage**  
-In mathematics, a number can be checked to be even or odd by checking the remainder of the division of the number by `2`. Even numbers have a remainder of `0`, while odd numbers a remainder of `1`.
+**使用例**  
+数学では、ある数が偶数か奇数かを求めるために、その数を `2` で割った余りを調べることができます。 偶数は `0` の余りを持ち、奇数は `1` の余りを持ちます。
 
 <pre>
 17 % 2 = 1
diff --git a/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/basic-javascript/replacing-if-else-chains-with-switch.md b/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/basic-javascript/replacing-if-else-chains-with-switch.md
index f95caeb1443..003cc0b74d3 100644
--- a/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/basic-javascript/replacing-if-else-chains-with-switch.md
+++ b/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/basic-javascript/replacing-if-else-chains-with-switch.md
@@ -60,43 +60,43 @@ assert(!/if/g.test(code));
 assert(code.match(/break/g).length >= 4);
 ```
 
-`chainToSwitch("bob")` should return the string `Marley`
+`chainToSwitch("bob")` は文字列 `Marley` を返す必要があります。
 
 ```js
 assert(chainToSwitch('bob') === 'Marley');
 ```
 
-`chainToSwitch(42)` should return the string `The Answer`
+`chainToSwitch(42)` は文字列 `The Answer` を返す必要があります。
 
 ```js
 assert(chainToSwitch(42) === 'The Answer');
 ```
 
-`chainToSwitch(1)` should return the string `There is no #1`
+`chainToSwitch(1)` は文字列 `There is no #1` を返す必要があります。
 
 ```js
 assert(chainToSwitch(1) === 'There is no #1');
 ```
 
-`chainToSwitch(99)` should return the string `Missed me by this much!`
+`chainToSwitch(99)` は文字列 `Missed me by this much!` を返す必要があります。
 
 ```js
 assert(chainToSwitch(99) === 'Missed me by this much!');
 ```
 
-`chainToSwitch(7)` should return the string `Ate Nine`
+`chainToSwitch(7)` は文字列 `Ate Nine` を返す必要があります。
 
 ```js
 assert(chainToSwitch(7) === 'Ate Nine');
 ```
 
-`chainToSwitch("John")` should return `""` (empty string)
+`chainToSwitch("John")` は `""` (空文字列) を返す必要があります。
 
 ```js
 assert(chainToSwitch('John') === '');
 ```
 
-`chainToSwitch(156)` should return `""` (empty string)
+`chainToSwitch(156)` は `""` (空文字列) を返す必要があります。
 
 ```js
 assert(chainToSwitch(156) === '');
diff --git a/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md b/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
index 690fc85aedd..58b7fcb0dee 100644
--- a/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
+++ b/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
@@ -22,7 +22,7 @@ console.log(howMany("string", null, [1, 2, 3], { }));
 
 コンソールには、文字列 `You have passed 3 arguments.` と `You have passed 4 arguments.` が表示されます。
 
-残余引数を使用すると、`args` 配列を調べる必要がなくなり、パラメーターの配列に `map()`、`filter()`、`reduce()` を適用できるようになります。
+The rest parameter eliminates the need to use the `arguments` object and allows us to use array methods on the array of parameters passed to the function `howMany`.
 
 # --instructions--
 
diff --git a/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sum-all-odd-fibonacci-numbers.md b/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sum-all-odd-fibonacci-numbers.md
index 30326903313..4fb88c71899 100644
--- a/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sum-all-odd-fibonacci-numbers.md
+++ b/curriculum/challenges/japanese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sum-all-odd-fibonacci-numbers.md
@@ -10,7 +10,7 @@ dashedName: sum-all-odd-fibonacci-numbers
 
 正の整数 `num` が与えられたときに、`num` 以下の奇数のフィボナッチ数の和を返してください。
 
-The first two numbers in the Fibonacci sequence are 0 and 1. 数列内の他の数はすべて、前の 2 つの数の和になっています。 The first seven numbers of the Fibonacci sequence are 0, 1, 1, 2, 3, 5 and 8.
+フィボナッチ数列の最初の 2 つの数字は 0 と 1 です。 数列内の他の数はすべて、前の 2 つの数の和になっています。 フィボナッチ数列の最初の 7 つの数字は、0、1、1、2、3、5、8 です。
 
 たとえば、`sumFibs(10)` は、`10` 以下のすべての奇数のフィボナッチ数が 1、1、3、5 なので、`10` を返す必要があります。
 
diff --git a/curriculum/challenges/japanese/06-quality-assurance/advanced-node-and-express/how-to-use-passport-strategies.md b/curriculum/challenges/japanese/06-quality-assurance/advanced-node-and-express/how-to-use-passport-strategies.md
index dbfd4a85b7e..99d00635850 100644
--- a/curriculum/challenges/japanese/06-quality-assurance/advanced-node-and-express/how-to-use-passport-strategies.md
+++ b/curriculum/challenges/japanese/06-quality-assurance/advanced-node-and-express/how-to-use-passport-strategies.md
@@ -8,7 +8,7 @@ dashedName: how-to-use-passport-strategies
 
 # --description--
 
-In the `index.pug` file supplied, there is a login form. It is hidden because of the inline JavaScript `if showLogin` with the form indented after it.
+`index.pug` ファイルには、ログインフォームがあります。 It is hidden because of the inline JavaScript `if showLogin` with the form indented after it.
 
 In the `res.render` for that page, add a new variable to the object, `showLogin: true`. ページを更新すると、フォームが表示されます！ This form is set up to **POST** on `/login`. So, this is where you should set up to accept the POST request and authenticate the user.
 
diff --git a/curriculum/challenges/japanese/06-quality-assurance/advanced-node-and-express/implementation-of-social-authentication-iii.md b/curriculum/challenges/japanese/06-quality-assurance/advanced-node-and-express/implementation-of-social-authentication-iii.md
index d9c5cf25724..b1216a7bca0 100644
--- a/curriculum/challenges/japanese/06-quality-assurance/advanced-node-and-express/implementation-of-social-authentication-iii.md
+++ b/curriculum/challenges/japanese/06-quality-assurance/advanced-node-and-express/implementation-of-social-authentication-iii.md
@@ -41,7 +41,7 @@ myDataBase.findOneAndUpdate(
 
 `findOneAndUpdate` では、オブジェクトを検索して更新することができます。 オブジェクトが存在しない場合は、そのオブジェクトが挿入され、コールバック関数で使用できるようになります。 この例では、`last_login` を常に設定し、`login_count` を `1` 増やして、新しいオブジェクト (新規ユーザー) が挿入された場合にのみ、フィールドの大部分を設定します。 デフォルト値の使用に注意してください。 場合によっては、返されるプロファイルに必ずしもすべての情報が設定されていなかったり、ユーザーがプロファイルを非公開にしていたりします。 そのような場合は、エラーを防ぐための処理を実行します。
 
-You should be able to login to your app now. Try it!
+これでアプリにログインできるはずです。 試してみましょう！
 
 正しいと思ったら、ページを送信してください。 エラーが発生している場合、<a href="https://forum.freecodecamp.org/t/advanced-node-and-express/567135#implementation-of-social-authentication-iii-5" target="_blank" rel="noopener noreferrer nofollow">この時点までの完成形のコードをこちらで確認できます</a>。
 
diff --git a/curriculum/challenges/japanese/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md b/curriculum/challenges/japanese/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
index f9ed88f251e..5084693bb21 100644
--- a/curriculum/challenges/japanese/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
+++ b/curriculum/challenges/japanese/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
@@ -8,7 +8,7 @@ dashedName: avoid-inferring-the-response-mime-type-with-helmet-nosniff
 
 # --description--
 
-As a reminder, this project is being built upon the following starter project on <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a>, or cloned from <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a>. ブラウザーでコンテンツまたは MIME スニッフィングを使用すると、レスポンスの `Content-Type` ヘッダーを上書きし、暗黙のコンテンツタイプを使用してデータを推測し、処理することが可能になります。 これは便利な場合もありますが、危険な攻撃につながる可能性もあります。 このミドルウェアは、X-Content-Type-Options ヘッダーを `nosniff` に設定することで、提供された `Content-Type` を回避しないようにブラウザーに指示します。
+As a reminder, this project is being built upon the following starter project on <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a>, or cloned from <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a>. Browsers can use content or MIME sniffing to override the `Content-Type` header of a response to guess and process the data using an implicit content type. これは便利な場合もありますが、危険な攻撃につながる可能性もあります。 This middleware sets the `X-Content-Type-Options` header to `nosniff`, instructing the browser to not bypass the provided `Content-Type`.
 
 # --instructions--
 
diff --git a/curriculum/challenges/japanese/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md b/curriculum/challenges/japanese/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
index 3eee1f5a357..b16138dc26d 100644
--- a/curriculum/challenges/japanese/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
+++ b/curriculum/challenges/japanese/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
@@ -10,7 +10,7 @@ dashedName: mitigate-the-risk-of-clickjacking-with-helmet-frameguard
 
 As a reminder, this project is being built upon the following starter project on <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a>, or cloned from <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a>.
 
-あなたのページは、あなたの同意なしに `<frame>` や `<iframe>` に挿入される可能性があります。 こうした可能性は、特にクリックジャック攻撃につながるおそれがあります。 クリックジャック攻撃とは、ユーザーをだまして、ユーザーが意図しているものとは違うページとやり取りさせる手法です。 これを利用し、iframe を通じて悪意のあるコンテキストでページを実行することが可能です。 こうした状況では、ハッカーによってあなたのページ上に隠れたレイヤーが配置されます。 悪意のあるスクリプトを実行するために、隠しボタンが使用されることがあります。 このミドルウェアは、X-Frame-Options ヘッダーを設定して、 サイトをフレーム内に配置できるユーザーを制限します。 DENY、SAMEORIGIN、ALLOW-FROM の 3 つのモードがあります。
+あなたのページは、あなたの同意なしに `<frame>` や `<iframe>` に挿入される可能性があります。 こうした可能性は、特にクリックジャック攻撃につながるおそれがあります。 クリックジャック攻撃とは、ユーザーをだまして、ユーザーが意図しているものとは違うページとやり取りさせる手法です。 This can be obtained by executing your page in a malicious context, by means of iframing. In that context, a hacker can put a hidden layer over your page. 悪意のあるスクリプトを実行するために、隠しボタンが使用されることがあります。 このミドルウェアは、X-Frame-Options ヘッダーを設定して、 サイトをフレーム内に配置できるユーザーを制限します。 DENY、SAMEORIGIN、ALLOW-FROM の 3 つのモードがあります。
 
 サンプルのアプリをフレームに配置する必要はありません。
 
diff --git a/curriculum/challenges/japanese/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md b/curriculum/challenges/japanese/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
index 5f46278bcc5..733bb5e55ff 100644
--- a/curriculum/challenges/japanese/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
+++ b/curriculum/challenges/japanese/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
@@ -7,7 +7,7 @@ dashedName: step-41
 
 # --description--
 
-`.two` セレクターにも `border-radius` プロパティを使用して、左上と右下を半径 `8px`、右上と左下を半径 `10px` に設定しましょう。
+Use the `border-radius` property on the `.two` selector, to set its top-left radius and bottom-right radius to `8px`, and top-right radius and bottom-left radius to `10px`.
 
 # --hints--
 
diff --git a/curriculum/challenges/japanese/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md b/curriculum/challenges/japanese/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
index 8ce35fdeec2..e4ddaa12c4b 100644
--- a/curriculum/challenges/japanese/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
+++ b/curriculum/challenges/japanese/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
@@ -10,7 +10,7 @@ dashedName: html-boilerplate-question-c
 The `<head>` element is where you put important meta-information about your webpages, and stuff required for your webpages to render correctly in the browser. Inside the `<head>`, you should not use any element that displays content on the webpage.
 
 ## The Charset Meta Element
-You should always have the `meta` tag for the charset encoding of the webpage in the head element: `<meta charset="utf-8">`.
+You should always have the `meta` tag for the `charset` encoding of the webpage in the `head` element: `<meta charset="utf-8">`.
 
 Setting the encoding is very important because it ensures that the webpage will display special symbols and characters from different languages correctly in the browser.
 
diff --git a/curriculum/challenges/portuguese/00-certifications/college-algebra-with-python-certification/college-algebra-with-python-certification.yml b/curriculum/challenges/portuguese/00-certifications/college-algebra-with-python-certification/college-algebra-with-python-certification.yml
index 02fe908aef0..056ecfe43bc 100644
--- a/curriculum/challenges/portuguese/00-certifications/college-algebra-with-python-certification/college-algebra-with-python-certification.yml
+++ b/curriculum/challenges/portuguese/00-certifications/college-algebra-with-python-certification/college-algebra-with-python-certification.yml
@@ -1,21 +1,21 @@
 ---
 id: 61531b20cc9dfa2741a5b800
-title: College Algebra with Python Certification
+title: Certificação de Álgebra do ensino superior com Python
 challengeType: 7
 isPrivate: true
 tests:
   - 
     id: 63d83ff239c73468b059cd3f
-    title: Multi-Function Calculator
+    title: Calculadora multifunção
   - 
     id: 63d83ffd39c73468b059cd40
-    title: Graphing Calculator
+    title: Calculadora gráfica
   - 
     id: 63d8401039c73468b059cd41
-    title: Three Math Games
+    title: Três jogos de matemática
   - 
     id: 63d8401e39c73468b059cd42
-    title: Financial Calculator
+    title: Calculadora financeira
   - 
     id: 63d8402e39c73468b059cd43
-    title: Data Graph Explorer
+    title: Explorador de gráfico de dados
diff --git a/curriculum/challenges/portuguese/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md b/curriculum/challenges/portuguese/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
index 1c310a7d4e6..caba0528845 100644
--- a/curriculum/challenges/portuguese/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
+++ b/curriculum/challenges/portuguese/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
@@ -22,7 +22,7 @@ console.log(howMany("string", null, [1, 2, 3], { }));
 
 O console exibiria as strings `You have passed 3 arguments` e `You have passed 4 arguments.</codde>.</p>
 
-<p spaces-before="0">O parâmetro rest elimina a necessidade de verificar o array <code>args` e nos permite usar `map()`, `filter()` e `reduce()` no array de parâmetros.
+<p spaces-before="0">The rest parameter eliminates the need to use the <code>arguments` object and allows us to use array methods on the array of parameters passed to the function `howMany`.
 
 # --instructions--
 
diff --git a/curriculum/challenges/portuguese/04-data-visualization/json-apis-and-ajax/handle-click-events-with-javascript-using-the-onclick-property.md b/curriculum/challenges/portuguese/04-data-visualization/json-apis-and-ajax/handle-click-events-with-javascript-using-the-onclick-property.md
index 1f0b67cb85e..8a308eb513f 100644
--- a/curriculum/challenges/portuguese/04-data-visualization/json-apis-and-ajax/handle-click-events-with-javascript-using-the-onclick-property.md
+++ b/curriculum/challenges/portuguese/04-data-visualization/json-apis-and-ajax/handle-click-events-with-javascript-using-the-onclick-property.md
@@ -16,7 +16,7 @@ document.addEventListener('DOMContentLoaded', function() {
 });
 ```
 
-Você pode implementar manipuladores de eventos que vão dentro da função `DOMContentLoaded`. You can implement an `onclick` event handler which triggers when the user clicks on the `#getMessage` element, by adding the following code:
+Você pode implementar manipuladores de eventos que vão dentro da função `DOMContentLoaded`. Você pode implementar um manipulador de evento `onclick`, que dispara quando o usuário clica no elemento `#getMessage`, adicionando o código a seguir:
 
 ```js
 document.getElementById('getMessage').onclick = function(){};
@@ -28,7 +28,7 @@ Adicione um manipulador de eventos de clique em uma função `DOMContentLoaded`
 
 # --hints--
 
-Your code should use the `document.getElementById` method to select the element whose id is `getMessage`.
+O código deve usar o método `document.getElementById` para selecionar o elemento cujo id é `getMessage`.
 
 ```js
 assert(code.match(/document\s*\.getElementById\(\s*?('|")getMessage\1\s*?\)/g));
diff --git a/curriculum/challenges/portuguese/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md b/curriculum/challenges/portuguese/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
index 9f3a2b78864..81fab3016bd 100644
--- a/curriculum/challenges/portuguese/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
+++ b/curriculum/challenges/portuguese/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
@@ -8,7 +8,7 @@ dashedName: avoid-inferring-the-response-mime-type-with-helmet-nosniff
 
 # --description--
 
-Lembrando que este projeto está sendo construído a partir do <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a>, ou pode ser clonado no <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a>. Os navegadores podem usar detecção de conteúdo ou de MIME para substituir os cabeçalhos de resposta `Content-Type` de modo a adivinhar e processar os dados usando um tipo de conteúdo implícito. Embora isso possa ser conveniente em alguns cenários, também pode levar a alguns ataques perigosos. Este middleware define o cabeçalho X-Content-Type-Options para `nosniff`, instruindo o navegador a não ignorar o `Content-Type` fornecido.
+Lembrando que este projeto está sendo construído a partir do <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a>, ou pode ser clonado no <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a>. Browsers can use content or MIME sniffing to override the `Content-Type` header of a response to guess and process the data using an implicit content type. Embora isso possa ser conveniente em alguns cenários, também pode levar a alguns ataques perigosos. This middleware sets the `X-Content-Type-Options` header to `nosniff`, instructing the browser to not bypass the provided `Content-Type`.
 
 # --instructions--
 
diff --git a/curriculum/challenges/portuguese/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md b/curriculum/challenges/portuguese/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
index 9d23afb6ba5..dec5cbc3a8b 100644
--- a/curriculum/challenges/portuguese/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
+++ b/curriculum/challenges/portuguese/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
@@ -10,7 +10,7 @@ dashedName: mitigate-the-risk-of-clickjacking-with-helmet-frameguard
 
 Lembrando que este projeto está sendo construído a partir do <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a>, ou pode ser clonado no <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a>.
 
-Sua página pode ser colocada em um `<frame>` ou `<iframe>` sem o seu consentimento. Isso pode resultar em ataques de clickjacking, entre outras coisas. Clickjacking é uma técnica de enganar um usuário para que ele interaja com uma página diferente da que o usuário pensa que é. Isso pode ser feito ao executar sua página em um contexto malicioso, por meio de iframing. Nesse contexto, um hacker pode colocar uma camada oculta sobre sua página. Botões ocultos podem ser usados para executar scripts maliciosos. Este middleware define o cabeçalho X-Frame-Options. Ele restringe quem pode colocar seu site em um frame. Ele tem três modos: DENY, SAMEORIGIN, e ALLOW-FROM.
+Sua página pode ser colocada em um `<frame>` ou `<iframe>` sem o seu consentimento. Isso pode resultar em ataques de clickjacking, entre outras coisas. Clickjacking é uma técnica de enganar um usuário para que ele interaja com uma página diferente da que o usuário pensa que é. This can be obtained by executing your page in a malicious context, by means of iframing. In that context, a hacker can put a hidden layer over your page. Botões ocultos podem ser usados para executar scripts maliciosos. Este middleware define o cabeçalho X-Frame-Options. Ele restringe quem pode colocar seu site em um frame. Ele tem três modos: DENY, SAMEORIGIN, e ALLOW-FROM.
 
 Não precisamos que nosso aplicativo seja posto em um frame.
 
diff --git a/curriculum/challenges/portuguese/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md b/curriculum/challenges/portuguese/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
index 641f4d52a62..d1d3f395d97 100644
--- a/curriculum/challenges/portuguese/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
+++ b/curriculum/challenges/portuguese/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
@@ -7,7 +7,7 @@ dashedName: step-41
 
 # --description--
 
-Use a propriedade `border-radius` no seletor `.two` para definir os raios superior esquerdo e inferior direito como `8px` e os raios do canto superior direito e inferior esquerdo como `10px`.
+Use the `border-radius` property on the `.two` selector, to set its top-left radius and bottom-right radius to `8px`, and top-right radius and bottom-left radius to `10px`.
 
 # --hints--
 
diff --git a/curriculum/challenges/portuguese/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md b/curriculum/challenges/portuguese/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
index a441c478a69..5fa3a6a67dc 100644
--- a/curriculum/challenges/portuguese/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
+++ b/curriculum/challenges/portuguese/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
@@ -10,7 +10,7 @@ dashedName: html-boilerplate-question-c
 O elemento `<head>` é onde você coloca as metainformações importantes sobre suas páginas da web, além de coisas necessárias para que suas páginas da web sejam renderizadas corretamente no navegador. Dentro de `<head>`, você não deve usar elementos que exibam conteúdo na página.
 
 ## O elemento meta charset
-Você deve sempre ter a tag `meta` para a codificação de conjunto de caracteres (charset) da página no elemento head: `<meta charset="utf-8">`.
+You should always have the `meta` tag for the `charset` encoding of the webpage in the `head` element: `<meta charset="utf-8">`.
 
 Definir a codificação é muito importante, pois garante que a página da web exibirá símbolos especiais e caracteres de diferentes idiomas corretamente no navegador.
 
diff --git a/curriculum/challenges/ukrainian/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md b/curriculum/challenges/ukrainian/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
index 19eafc063bb..d1798ccfb70 100644
--- a/curriculum/challenges/ukrainian/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
+++ b/curriculum/challenges/ukrainian/02-javascript-algorithms-and-data-structures/es6/use-the-rest-parameter-with-function-parameters.md
@@ -22,7 +22,7 @@ console.log(howMany("string", null, [1, 2, 3], { }));
 
 Консоль показуватиме рядки `You have passed 3 arguments.` та `You have passed 4 arguments.`.
 
-Залишковий параметр усуває потребу в перевірці масиву `args` і дає змогу застосувати `map()`, `filter()` та `reduce()` на масиві параметрів.
+The rest parameter eliminates the need to use the `arguments` object and allows us to use array methods on the array of parameters passed to the function `howMany`.
 
 # --instructions--
 
diff --git a/curriculum/challenges/ukrainian/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md b/curriculum/challenges/ukrainian/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
index e30fab7ae23..f44aff481bf 100644
--- a/curriculum/challenges/ukrainian/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
+++ b/curriculum/challenges/ukrainian/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md
@@ -8,7 +8,7 @@ dashedName: avoid-inferring-the-response-mime-type-with-helmet-nosniff
 
 # --description--
 
-Нагадуємо, що цей проєкт створюється на основі наступного стартового проєкту на <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a> або клонований з <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a>. Браузери можуть використовувати вміст або аналізатор трафіку MIME, що дає змогу змінити заголовок відповіді `Content-Type`, щоб вгадати та обробити дані, використовуючи неявний тип вмісту. У деяких випадках такий процес може бути зручним, але він може призвести до деяких небезпечних атак. Це проміжне програмне забезпечення встановлює заголовок X-Content-Type-Options на `nosniff`, вказуючи браузеру не обходити наданий `Content-Type`.
+Нагадуємо, що цей проєкт створюється на основі наступного стартового проєкту на <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a> або клонований з <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a>. Browsers can use content or MIME sniffing to override the `Content-Type` header of a response to guess and process the data using an implicit content type. У деяких випадках такий процес може бути зручним, але він може призвести до деяких небезпечних атак. This middleware sets the `X-Content-Type-Options` header to `nosniff`, instructing the browser to not bypass the provided `Content-Type`.
 
 # --instructions--
 
diff --git a/curriculum/challenges/ukrainian/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md b/curriculum/challenges/ukrainian/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
index b85cbedb09d..130c28b9c15 100644
--- a/curriculum/challenges/ukrainian/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
+++ b/curriculum/challenges/ukrainian/09-information-security/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.md
@@ -10,7 +10,7 @@ dashedName: mitigate-the-risk-of-clickjacking-with-helmet-frameguard
 
 Нагадуємо, що цей проєкт створюється на основі наступного стартового проєкту на <a href="https://replit.com/github/freeCodeCamp/boilerplate-infosec" target="_blank" rel="noopener noreferrer nofollow">Replit</a> або клонований з <a href="https://github.com/freeCodeCamp/boilerplate-infosec/" target="_blank" rel="noopener noreferrer nofollow">GitHub</a>.
 
-Ваша сторінка може бути розміщена в `<frame>` або `<iframe>` без вашої згоди. Це може призвести до клікджекінгу, не враховуючи інших атак. Клікджекінг – це техніка обману користувача, при якій він взаємодіє не з тією сторінкою, про яку думає. Цього можна досягти завдяки оформленню вашої сторінки у зловмисному контексті, тобто iframing. Під контекстом мається на увазі, що хакер розміщує поверх вашої сторінки невидимий шар. Невидимі кнопки запускають ворожий скрипт. Це проміжне програмне забезпечення встановлює заголовок X-Frame-Options. Він обмежує дії хакерів, які можуть перенаправити вашу сторінку. Доступні три режими: DENY, SAMEORIGIN і ALLOW-FROM.
+Ваша сторінка може бути розміщена в `<frame>` або `<iframe>` без вашої згоди. Це може призвести до клікджекінгу, не враховуючи інших атак. Клікджекінг – це техніка обману користувача, при якій він взаємодіє не з тією сторінкою, про яку думає. This can be obtained by executing your page in a malicious context, by means of iframing. In that context, a hacker can put a hidden layer over your page. Невидимі кнопки запускають ворожий скрипт. Це проміжне програмне забезпечення встановлює заголовок X-Frame-Options. Він обмежує дії хакерів, які можуть перенаправити вашу сторінку. Доступні три режими: DENY, SAMEORIGIN і ALLOW-FROM.
 
 Немає потреби перенаправляти наш додаток.
 
diff --git a/curriculum/challenges/ukrainian/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md b/curriculum/challenges/ukrainian/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
index fcf01f7c189..efc1ba595fc 100644
--- a/curriculum/challenges/ukrainian/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
+++ b/curriculum/challenges/ukrainian/14-responsive-web-design-22/learn-the-css-box-model-by-building-a-rothko-painting/60a3e3396c7b40068ad69993.md
@@ -7,7 +7,7 @@ dashedName: step-41
 
 # --description--
 
-Використайте властивість `border-radius` на селекторі `.two`, щоб встановити його верхній лівий та нижній правий радіуси на `8px`, а верхній правий та нижній лівий радіуси на `10px`.
+Use the `border-radius` property on the `.two` selector, to set its top-left radius and bottom-right radius to `8px`, and top-right radius and bottom-left radius to `10px`.
 
 # --hints--
 
diff --git a/curriculum/challenges/ukrainian/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md b/curriculum/challenges/ukrainian/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
index 97fe46e7f5d..e85e6fb78e8 100644
--- a/curriculum/challenges/ukrainian/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
+++ b/curriculum/challenges/ukrainian/16-the-odin-project/top-learn-html-foundations/html-boilerplate-question-c.md
@@ -10,7 +10,7 @@ dashedName: html-boilerplate-question-c
 В елементі `<head>` розміщується вся важлива метаінформація про вебсторінки, а також все інше, необхідне для правильного відтворення вебсторінок у браузері. Всередині `<head>` не можна використовувати елементи, які показують вміст на сторінці.
 
 ## Елемент meta charset
-Ви завжди повинні мати тег `meta` для відтворення символів вебсторінки в голові документа: `<meta charset="utf-8">`.
+You should always have the `meta` tag for the `charset` encoding of the webpage in the `head` element: `<meta charset="utf-8">`.
 
 Налаштувати кодування символів надзвичайно важливо, оскільки це гарантує, що вебсторінка правильно показуватиме спеціальні символи різних мов.