diff --git a/curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/learn-basic-oop-by-building-a-shopping-cart/63efdbc22a0c56070beabed7.md b/curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/learn-basic-oop-by-building-a-shopping-cart/63efdbc22a0c56070beabed7.md
index f716938e19c..2fcec338124 100644
--- a/curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/learn-basic-oop-by-building-a-shopping-cart/63efdbc22a0c56070beabed7.md
+++ b/curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/learn-basic-oop-by-building-a-shopping-cart/63efdbc22a0c56070beabed7.md
@@ -7,7 +7,24 @@ dashedName: step-23
 
 # --description--
 
-In your `forEach` callback, you need to update the `totalCountPerProduct` object. Using the `id` of the current `dessert` as your property, update the value of the property to be the current value plus one. Do not use the addition assignment operator for this.
+You’re on the right track! However, let’s take a moment to address a common issue when working with objects in JavaScript.
+
+When you try to access an object property that doesn’t exist, JavaScript returns `undefined`. If you then attempt to perform arithmetic operations on `undefined`, it can lead to unexpected results, such as `NaN`.
+
+To prevent this, you can use the `||` (logical OR) operator to provide a default value.
+
+```js
+  let scores = {}; 
+  let players = ["Alice", "Bob", "Charlie"];
+
+  players.forEach(player => {
+    scores[player] = scores[player] || 0;
+  });
+```
+
+Now, let’s apply this concept to your `totalCountPerProduct` object in the `forEach` callback. Make sure that each `dessert.id` property is initialized properly.
+
+Initialize `totalCountPerProduct[dessert.id]` with a default value of `0` using the `||` operator.
 
 # --hints--
 
@@ -25,21 +42,13 @@ const cart = new ShoppingCart();
 assert.match(cart.addItem.toString(), /totalCountPerProduct\s*\[\s*dessert\.id\s*\]/);
 ```
 
-You should use the assignment operator to update the value of the property of `totalCountPerProduct` that corresponds to `dessert.id`.
+You should initialize `totalCountPerProduct[dessert.id]` with `0` as a default value using `||` operator at the end of the expression.
 
 ```js
 const cart = new ShoppingCart();
-assert.match(cart.addItem.toString(), /totalCountPerProduct\s*\[\s*dessert\.id\s*\]\s*=/);
+assert.match(cart.addItem.toString(), /totalCountPerProduct\s*\[\s*dessert\.id\s*\]\s*=\s*totalCountPerProduct\s*\[\s*dessert\.id\s*\]\s*\|\|\s*0\s*/);
 ```
 
-You should update the value of `totalCountPerProduct` to be the current value plus one.
-
-```js
-const cart = new ShoppingCart();
-assert.match(cart.addItem.toString(), /totalCountPerProduct\s*\[\s*dessert\.id\s*\]\s*=\s*totalCountPerProduct\s*\[\s*dessert\.id\s*\]\s*\+\s*1/);
-```
-
-
 # --seed--
 
 ## --seed-contents--
diff --git a/curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/learn-basic-oop-by-building-a-shopping-cart/63efe370bbfc4a08d500118e.md b/curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/learn-basic-oop-by-building-a-shopping-cart/63efe370bbfc4a08d500118e.md
index 2422c24fad7..f7efb0a8644 100644
--- a/curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/learn-basic-oop-by-building-a-shopping-cart/63efe370bbfc4a08d500118e.md
+++ b/curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/learn-basic-oop-by-building-a-shopping-cart/63efe370bbfc4a08d500118e.md
@@ -7,34 +7,32 @@ dashedName: step-24
 
 # --description--
 
-You now have a small bug. When you try to access a property of an object and the property doesn't exist, you get `undefined`. This means if the dessert isn't already present in the `totalCountPerProduct` object, you end up trying to add `1` to `undefined`, which results in `NaN`.
-
-To fix this, you can use the `||` operator to set the value to `0` if it doesn't exist. Wrap your right-hand `totalCountPerProduct[dessert.id]` in parentheses, and add `|| 0` to the end of the expression.
+In the `forEach` callback, wrap the right-hand assignment `totalCountPerProduct[dessert.id] || 0` in parentheses `()` to ensure proper evaluation, then increment the value by one.
 
 # --hints--
 
-You should wrap your right-hand `totalCountPerProduct[dessert.id]` in parentheses.
+You should use dot notation to access the `id` property of `dessert`.
 
 ```js
 const cart = new ShoppingCart();
-assert.match(cart.addItem.toString(), /totalCountPerProduct\s*\[\s*dessert\.id\s*\]\s*=\s*\(\s*totalCountPerProduct\s*\[\s*dessert\.id\s*\]/);
+assert.match(cart.addItem.toString(), /dessert\.id/);
 ```
 
-You should use the `||` operator.
+You should use bracket notation to access the property of `totalCountPerProduct` that corresponds to `dessert.id`.
 
 ```js
 const cart = new ShoppingCart();
-assert.match(cart.addItem.toString(), /totalCountPerProduct\s*\[\s*dessert\.id\s*\]\s*=\s*\(\s*totalCountPerProduct\s*\[\s*dessert\.id\s*\]\s*\|\|\s*/);
+assert.match(cart.addItem.toString(), /totalCountPerProduct\s*\[\s*dessert\.id\s*\]/);
 ```
 
-You should use `0` as your fallback value.
+You should use the assignment operator to update the value of the property of `totalCountPerProduct` that corresponds to `dessert.id`.
 
 ```js
 const cart = new ShoppingCart();
-assert.match(cart.addItem.toString(), /totalCountPerProduct\s*\[\s*dessert\.id\s*\]\s*=\s*\(\s*totalCountPerProduct\s*\[\s*dessert\.id\s*\]\s*\|\|\s*0\s*\)/);
+assert.match(cart.addItem.toString(), /totalCountPerProduct\s*\[\s*dessert\.id\s*\]\s*=/);
 ```
 
-You should still add `1` to the value.
+You should wrap `totalCountPerProduct[dessert.id] || 0` in parentheses `()` before incrementing it by one.
 
 ```js
 const cart = new ShoppingCart();
@@ -316,7 +314,7 @@ class ShoppingCart {
 
     const totalCountPerProduct = {};
     this.items.forEach((dessert) => {
-      totalCountPerProduct[dessert.id] = totalCountPerProduct[dessert.id] + 1;
+      totalCountPerProduct[dessert.id] = totalCountPerProduct[dessert.id] || 0
     })
   }
 --fcc-editable-region--
diff --git a/curriculum/challenges/english/25-front-end-development/workshop-shopping-cart/63efdbc22a0c56070beabed7.md b/curriculum/challenges/english/25-front-end-development/workshop-shopping-cart/63efdbc22a0c56070beabed7.md
index f716938e19c..2fcec338124 100644
--- a/curriculum/challenges/english/25-front-end-development/workshop-shopping-cart/63efdbc22a0c56070beabed7.md
+++ b/curriculum/challenges/english/25-front-end-development/workshop-shopping-cart/63efdbc22a0c56070beabed7.md
@@ -7,7 +7,24 @@ dashedName: step-23
 
 # --description--
 
-In your `forEach` callback, you need to update the `totalCountPerProduct` object. Using the `id` of the current `dessert` as your property, update the value of the property to be the current value plus one. Do not use the addition assignment operator for this.
+You’re on the right track! However, let’s take a moment to address a common issue when working with objects in JavaScript.
+
+When you try to access an object property that doesn’t exist, JavaScript returns `undefined`. If you then attempt to perform arithmetic operations on `undefined`, it can lead to unexpected results, such as `NaN`.
+
+To prevent this, you can use the `||` (logical OR) operator to provide a default value.
+
+```js
+  let scores = {}; 
+  let players = ["Alice", "Bob", "Charlie"];
+
+  players.forEach(player => {
+    scores[player] = scores[player] || 0;
+  });
+```
+
+Now, let’s apply this concept to your `totalCountPerProduct` object in the `forEach` callback. Make sure that each `dessert.id` property is initialized properly.
+
+Initialize `totalCountPerProduct[dessert.id]` with a default value of `0` using the `||` operator.
 
 # --hints--
 
@@ -25,21 +42,13 @@ const cart = new ShoppingCart();
 assert.match(cart.addItem.toString(), /totalCountPerProduct\s*\[\s*dessert\.id\s*\]/);
 ```
 
-You should use the assignment operator to update the value of the property of `totalCountPerProduct` that corresponds to `dessert.id`.
+You should initialize `totalCountPerProduct[dessert.id]` with `0` as a default value using `||` operator at the end of the expression.
 
 ```js
 const cart = new ShoppingCart();
-assert.match(cart.addItem.toString(), /totalCountPerProduct\s*\[\s*dessert\.id\s*\]\s*=/);
+assert.match(cart.addItem.toString(), /totalCountPerProduct\s*\[\s*dessert\.id\s*\]\s*=\s*totalCountPerProduct\s*\[\s*dessert\.id\s*\]\s*\|\|\s*0\s*/);
 ```
 
-You should update the value of `totalCountPerProduct` to be the current value plus one.
-
-```js
-const cart = new ShoppingCart();
-assert.match(cart.addItem.toString(), /totalCountPerProduct\s*\[\s*dessert\.id\s*\]\s*=\s*totalCountPerProduct\s*\[\s*dessert\.id\s*\]\s*\+\s*1/);
-```
-
-
 # --seed--
 
 ## --seed-contents--
diff --git a/curriculum/challenges/english/25-front-end-development/workshop-shopping-cart/63efe370bbfc4a08d500118e.md b/curriculum/challenges/english/25-front-end-development/workshop-shopping-cart/63efe370bbfc4a08d500118e.md
index 2422c24fad7..f7efb0a8644 100644
--- a/curriculum/challenges/english/25-front-end-development/workshop-shopping-cart/63efe370bbfc4a08d500118e.md
+++ b/curriculum/challenges/english/25-front-end-development/workshop-shopping-cart/63efe370bbfc4a08d500118e.md
@@ -7,34 +7,32 @@ dashedName: step-24
 
 # --description--
 
-You now have a small bug. When you try to access a property of an object and the property doesn't exist, you get `undefined`. This means if the dessert isn't already present in the `totalCountPerProduct` object, you end up trying to add `1` to `undefined`, which results in `NaN`.
-
-To fix this, you can use the `||` operator to set the value to `0` if it doesn't exist. Wrap your right-hand `totalCountPerProduct[dessert.id]` in parentheses, and add `|| 0` to the end of the expression.
+In the `forEach` callback, wrap the right-hand assignment `totalCountPerProduct[dessert.id] || 0` in parentheses `()` to ensure proper evaluation, then increment the value by one.
 
 # --hints--
 
-You should wrap your right-hand `totalCountPerProduct[dessert.id]` in parentheses.
+You should use dot notation to access the `id` property of `dessert`.
 
 ```js
 const cart = new ShoppingCart();
-assert.match(cart.addItem.toString(), /totalCountPerProduct\s*\[\s*dessert\.id\s*\]\s*=\s*\(\s*totalCountPerProduct\s*\[\s*dessert\.id\s*\]/);
+assert.match(cart.addItem.toString(), /dessert\.id/);
 ```
 
-You should use the `||` operator.
+You should use bracket notation to access the property of `totalCountPerProduct` that corresponds to `dessert.id`.
 
 ```js
 const cart = new ShoppingCart();
-assert.match(cart.addItem.toString(), /totalCountPerProduct\s*\[\s*dessert\.id\s*\]\s*=\s*\(\s*totalCountPerProduct\s*\[\s*dessert\.id\s*\]\s*\|\|\s*/);
+assert.match(cart.addItem.toString(), /totalCountPerProduct\s*\[\s*dessert\.id\s*\]/);
 ```
 
-You should use `0` as your fallback value.
+You should use the assignment operator to update the value of the property of `totalCountPerProduct` that corresponds to `dessert.id`.
 
 ```js
 const cart = new ShoppingCart();
-assert.match(cart.addItem.toString(), /totalCountPerProduct\s*\[\s*dessert\.id\s*\]\s*=\s*\(\s*totalCountPerProduct\s*\[\s*dessert\.id\s*\]\s*\|\|\s*0\s*\)/);
+assert.match(cart.addItem.toString(), /totalCountPerProduct\s*\[\s*dessert\.id\s*\]\s*=/);
 ```
 
-You should still add `1` to the value.
+You should wrap `totalCountPerProduct[dessert.id] || 0` in parentheses `()` before incrementing it by one.
 
 ```js
 const cart = new ShoppingCart();
@@ -316,7 +314,7 @@ class ShoppingCart {
 
     const totalCountPerProduct = {};
     this.items.forEach((dessert) => {
-      totalCountPerProduct[dessert.id] = totalCountPerProduct[dessert.id] + 1;
+      totalCountPerProduct[dessert.id] = totalCountPerProduct[dessert.id] || 0
     })
   }
 --fcc-editable-region--