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improvements to javascript challenges

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Quincy Larson
2015-08-16 04:05:15 -07:00
parent 0a0379eecf
commit 960931d41c
2 changed files with 143 additions and 121 deletions
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101
challenges/basic-javascript.json
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@@ -1059,7 +1059,8 @@
"description":[
"We can also use selectors like <code>\\s</code> to find spaces in a string.",
"It is used like this:",
"<code>/\\s+/g</code>"
"<code>/\\s+/g</code>",
"Select all the spaces in the sentence string."
],
"tests":[
"assert(test === 7, 'Your RegEx should have found seven spaces in the <code>testString</code>.');",
@@ -1067,15 +1068,15 @@
],
"challengeSeed":[
"var test = (function(){",
" var testString = \"How many spaces are there in this sentence.\";",
" var testString = \"How many spaces are there in this sentence?\";",
"",
" // Only change code below this line.",
"",
" var expression = /.+/gi;",
"",
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
" return(testString.match(expression).length);",
" // Only change code above this line.",
" // We use this function to show you the value of your variable in your output box.",
" return(testString.match(expression).length);",
"})();(function(){return(test);})();"
],
"type": "waypoint",
@@ -1095,15 +1096,15 @@
],
"challengeSeed":[
"var test = (function(){",
" var testString = \"How many spaces are there in this sentence.\";",
" var testString = \"How many spaces are there in this sentence?\";",
"",
" // Only change code below this line.",
"",
" var expression = /.+/gi;",
" var expression = /./gi;",
"",
"// Only change code above this line.",
"// We use this function to show you the value of your variable in your output box.",
" return(testString.match(expression).length);",
" // Only change code above this line.",
" // We use this function to show you the value of your variable in your output box.",
" return(testString.match(expression).length);",
"})();(function(){return(test);})();"
],
"type": "waypoint",
@@ -1115,16 +1116,16 @@
"difficulty":"9.988",
"description":[
"We are now going to try and combine some of the stuff we've just learned and create the logic for a slot machine game.",
"For this we will need to generate three random numbers between <code>1</code> and <code>5</code> to represent the possible values of each individual slot.",
"For this we will need to generate three random numbers between <code>1</code> and <code>3</code> to represent the possible values of each individual slot.",
"Store the three random numbers in <code>slotOne</code>, <code>slotTwo</code> and <code>slotThree</code>.",
"Generate the random numbers by using the system we used earlier:",
"<code>Math.floor(Math.random() * (5 - 1 + 1)) + 1;</code>"
"<code>Math.floor(Math.random() * (3 - 1 + 1)) + 1;</code>"
],
"tests":[
"assert(typeof(runSlots($(\".slot\"))[0]) === \"number\", '<code>slotOne</code> should be a random number.');",
"assert(typeof(runSlots($(\".slot\"))[1]) === \"number\", '<code>slotTwo</code> should be a random number.');",
"assert(typeof(runSlots($(\".slot\"))[2]) === \"number\", '<code>slotThree</code> should be a random number.');",
"assert((function(){if(editor.match(/Math\\.floor\\(\\s?Math\\.random\\(\\)\\s?\\*\\s?\\(\\s?5\\s?\\-\\s?1\\s?\\+\\s?1\\s?\\)\\s?\\)\\s?\\+\\s?1;/gi) !== null){return(editor.match(/Math\\.floor\\(\\s?Math\\.random\\(\\)\\s?\\*\\s?\\(\\s?5\\s?\\-\\s?1\\s?\\+\\s?1\\s?\\)\\s?\\)\\s?\\+\\s?1;/gi).length >= 3);}else{return(false);}})(), 'You should have used <code>Math.floor(Math.random() * (5 - 1 + 1)) + 1;</code> three times to generate your random numbers.');"
"assert(typeof(runSlots($(\".slot\"))[0]) === \"number\", '<code>slotOne</code> should be a random number.')",
"assert(typeof(runSlots($(\".slot\"))[1]) === \"number\", '<code>slotTwo</code> should be a random number.')",
"assert(typeof(runSlots($(\".slot\"))[2]) === \"number\", '<code>slotThree</code> should be a random number.')",
"assert((function(){if(editor.match(/Math\\.floor\\(\\s?Math\\.random\\(\\)\\s?\\*\\s?\\(\\s?3\\s?\\-\\s?1\\s?\\+\\s?1\\s?\\)\\s?\\)\\s?\\+\\s?1;/gi) !== null){return(editor.match(/Math\\.floor\\(\\s?Math\\.random\\(\\)\\s?\\*\\s?\\(\\s?3\\s?\\-\\s?1\\s?\\+\\s?1\\s?\\)\\s?\\)\\s?\\+\\s?1;/gi).length >= 3);}else{return(false);}})(), 'You should have used <code>Math.floor(Math.random() * (3 - 1 + 1)) + 1;</code> three times to generate your random numbers.')"
],
"challengeSeed":[
"fccss",
@@ -1133,7 +1134,7 @@
" var slotTwo;",
" var slotThree;",
" ",
" var images = [\"http://i.imgur.com/9H17QFk.png\", \"http://i.imgur.com/9RmpXTy.png\", \"http://i.imgur.com/VJnmtt5.png\", \"http://i.imgur.com/XK735i8.png\", \"http://i.imgur.com/Vt32Bf7.png\"];",
" var images = [\"http://i.imgur.com/9H17QFk.png\", \"http://i.imgur.com/9RmpXTy.png\", \"http://i.imgur.com/VJnmtt5.png\"];",
" ",
" // Only change code below this line.",
" ",
@@ -1268,16 +1269,17 @@
"title": "Add your JavaScript Slot Machine Slots",
"difficulty":"9.989",
"description":[
"Now that we have our random numbers we need to go and check for when they are all the same that means we should count it as a win.",
"Different numbers will have different values so we need to return the matched number or null.",
"If we get a match we should change the value of win to the number that we have three of or leave it as null.",
"Let's create an if statement with multiple conditions to check that all the numbers are equal.",
"Now that our slots will each generate random numbers, we need to check whether they've all returned the same number.",
"If they have, we should notify our user that they've won.",
"Otherwise, we should return <code>null</code>, which is a JavaScript data structure that means nothing.",
"If all three numbers match, we should change the value of win to the number that we have three of or leave it as null.",
"Let's create an <code>if statement</code> with multiple conditions in order to check whether all numbers are equal.",
"<code>if(slotOne !== slotTwo || slotTwo !== slotThree){</code>",
"<code> return(null);</code>",
"<code>&thinsp;&thinsp;return(null);</code>",
"<code>}</code>"
],
"tests":[
"assert((function(){var data = runSlots();if(data === null){return(true)}else{if(data[0] === data[1] && data[1] === data[2]){return(true);}else{return(false);}}})(), 'If all three of our random numbers are the same we should return that number. Otherwise we should return null.');"
"assert((function(){var data = runSlots();if(data === null){return(true)}else{if(data[0] === data[1] && data[1] === data[2]){return(true);}else{return(false);}}})(), 'If all three of our random numbers are the same we should return that number. Otherwise we should return null.')"
],
"challengeSeed":[
"fccss",
@@ -1286,11 +1288,11 @@
" var slotTwo;",
" var slotThree;",
" ",
" var images = [\"http://i.imgur.com/9H17QFk.png\", \"http://i.imgur.com/9RmpXTy.png\", \"http://i.imgur.com/VJnmtt5.png\", \"http://i.imgur.com/XK735i8.png\", \"http://i.imgur.com/Vt32Bf7.png\"];",
" var images = [\"http://i.imgur.com/9H17QFk.png\", \"http://i.imgur.com/9RmpXTy.png\", \"http://i.imgur.com/VJnmtt5.png\"];",
" ",
" slotOne = Math.floor(Math.random() * (5 - 1 + 1)) + 1;",
" slotTwo = Math.floor(Math.random() * (5 - 1 + 1)) + 1;",
" slotThree = Math.floor(Math.random() * (5 - 1 + 1)) + 1;",
" slotOne = Math.floor(Math.random() * (3 - 1 + 1)) + 1;",
" slotTwo = Math.floor(Math.random() * (3 - 1 + 1)) + 1;",
" slotThree = Math.floor(Math.random() * (3 - 1 + 1)) + 1;",
" ",
" $(\".logger\").html(\"\");",
" $(\".logger\").html(\"Not A Win\")",
@@ -1428,15 +1430,15 @@
"difficulty":"9.990",
"description":[
"Now we can detect a win. Let's get this slot machine working.",
"We're going to use the jQuery selector <code>$(\".slot\")</code> to select all of the slots.",
"Once they are all selected we can use bracket notation to access each individual one like this.",
"<code>$($(\".slot\")[0]).html(\"\")</code>",
"This will grab the the first slot so that we can add the numbers we generate to them.",
"Use the above selector to display each number in the corresponding slot."
"Let's use the jQuery <code>selector</code> <code>$(\".slot\")</code> to select all of the slots.",
"Once they are all selected, we can use <code>bracket notation</code> to access each individual slot:",
"<code>$($(\".slot\")[0]).html(slotOne);</code>",
"This jQuery will select the first and update the slot's HTML to display the correct number.",
"Use the above selector to display each number in its corresponding slot."
],
"tests":[
"assert((function(){runSlots();if($($(\".slot\")[0]).html().replace(/\\s/gi, \"\") !== \"\" && $($(\".slot\")[1]).html().replace(/\\s/gi, \"\") !== \"\" && $($(\".slot\")[2]).html().replace(/\\s/gi, \"\") !== \"\"){return(true);}else{return(false);}})(), 'You should be displaying the result of the slot numbers in the corresponding slots');",
"assert((function(){if(editor.match( /\\$\\(\\$\\(\\\"\\.slot\\\"\\)\\[\\d\\]\\)/gi )){if(editor.match( /\\$\\(\\$\\(\\\"\\.slot\\\"\\)\\[\\d\\]\\)/gi ).length >= 3 && editor.match( /\\.html\\(slotOne\\);/gi ) && editor.match( /\\.html\\(slotTwo\\);/gi ) && editor.match( /\\.html\\(slotThree\\);/gi )){return(true);}else{return(false);}}else{return(false);}})(), 'You should have used the the selector given in the description to select each slot and assign it the value of slotOne&#44; slotTwo and slotThree respectively');"
"assert((function(){runSlots();if($($(\".slot\")[0]).html().replace(/\\s/gi, \"\") !== \"\" && $($(\".slot\")[1]).html().replace(/\\s/gi, \"\") !== \"\" && $($(\".slot\")[2]).html().replace(/\\s/gi, \"\") !== \"\"){return(true);}else{return(false);}})(), 'You should be displaying the result of the slot numbers in the corresponding slots')",
"assert((function(){if(editor.match( /\\$\\(\\$\\(\\\"\\.slot\\\"\\)\\[\\d\\]\\)/gi )){if(editor.match( /\\$\\(\\$\\(\\\"\\.slot\\\"\\)\\[\\d\\]\\)/gi ).length >= 3 && editor.match( /\\.html\\(slotOne\\)/gi ) && editor.match( /\\.html\\(slotTwo\\)/gi ) && editor.match( /\\.html\\(slotThree\\)/gi )){return(true);}else{return(false);}}else{return(false);}})(), 'You should have used the the selector given in the description to select each slot and assign it the value of slotOne&#44; slotTwo and slotThree respectively')"
],
"challengeSeed":[
"fccss",
@@ -1445,11 +1447,11 @@
" var slotTwo;",
" var slotThree;",
" ",
" var images = [\"http://i.imgur.com/9H17QFk.png\", \"http://i.imgur.com/9RmpXTy.png\", \"http://i.imgur.com/VJnmtt5.png\", \"http://i.imgur.com/XK735i8.png\", \"http://i.imgur.com/Vt32Bf7.png\"];",
" var images = [\"http://i.imgur.com/9H17QFk.png\", \"http://i.imgur.com/9RmpXTy.png\", \"http://i.imgur.com/VJnmtt5.png\"];",
" ",
" slotOne = Math.floor(Math.random() * (5 - 1 + 1)) + 1;",
" slotTwo = Math.floor(Math.random() * (5 - 1 + 1)) + 1;",
" slotThree = Math.floor(Math.random() * (5 - 1 + 1)) + 1;",
" slotOne = Math.floor(Math.random() * (3 - 1 + 1)) + 1;",
" slotTwo = Math.floor(Math.random() * (3 - 1 + 1)) + 1;",
" slotThree = Math.floor(Math.random() * (3 - 1 + 1)) + 1;",
" ",
" $(\".logger\").html(\"\");",
" $(\".logger\").html(\"Not A Win\")",
@@ -1593,14 +1595,17 @@
"title": "Give your JavaScript Slot Machine some stylish images",
"difficulty":"9.9901",
"description":[
"Now that we can detect when the player wins we are going to add an image to each slot depending on the random values we generate:",
"<code>$($('.slot')[0]).html('&lt;img src = \"' + images[slotOne-1] + '\"&gt;');</code>"
"Now let's add some images to our slots.",
"We've already set up the images for you in an array called <code>images</code>. We can use different indexes to grab each of these.",
"Here's how we would set the first slot to show a different image depending on which number its random number generates:",
"<code>$($('.slot')[0]).html('&lt;img src = \"' + images[slotOne-1] + '\"&gt;');</code>",
"Set up all three slots like this, then click the \"Go\" button to play the slot machine."
],
"tests":[
"assert(editor.match(/\\$\\(\\$\\(\\'\\.slot\\'\\)\\[\\d\\]\\)\\.html\\(\\'\\<img\\s?src\\s?=\\s?\"\\'\\s?\\+\\s?images\\[\\w+\\-1\\]\\s?\\+\\s?\\'\"\\>\\'\\);/gi) && editor.match(/\\$\\(\\$\\(\\'\\.slot\\'\\)\\[\\d\\]\\)\\.html\\(\\'\\<img\\s?src\\s?=\\s?\"\\'\\s?\\+\\s?images\\[\\w+\\-1\\]\\s?\\+\\s?\\'\"\\>\\'\\);/gi).length >= 3, 'Use the provided code three times. One for each slot');",
"assert(editor.match(/slotOne/gi) && editor.match(/slotOne/gi).length >= 7, 'You should have used the slotOne value at least once');",
"assert(editor.match(/slotTwo/gi) && editor.match(/slotTwo/gi).length >=8, 'You should have used the slotTwo value at least once');",
"assert(editor.match(/slotThree/gi) && editor.match(/slotThree/gi).length >= 7, 'You should have used the slotThree value at least once');"
"assert(editor.match(/\\$\\(\\$\\(\\'\\.slot\\'\\)\\[\\d\\]\\)\\.html\\(\\'\\<img\\s?src\\s?=\\s?\"\\'\\s?\\+\\s?images\\[\\w+\\-1\\]\\s?\\+\\s?\\'\"\\>\\'\\);/gi) && editor.match(/\\$\\(\\$\\(\\'\\.slot\\'\\)\\[\\d\\]\\)\\.html\\(\\'\\<img\\s?src\\s?=\\s?\"\\'\\s?\\+\\s?images\\[\\w+\\-1\\]\\s?\\+\\s?\\'\"\\>\\'\\);/gi).length >= 3, 'Use the provided code three times. One for each slot')",
"assert(editor.match(/slotOne/gi) && editor.match(/slotOne/gi).length >= 7, 'You should have used the slotOne value at least once')",
"assert(editor.match(/slotTwo/gi) && editor.match(/slotTwo/gi).length >= 8, 'You should have used the slotTwo value at least once')",
"assert(editor.match(/slotThree/gi) && editor.match(/slotThree/gi).length >= 7, 'You should have used the slotThree value at least once')"
],
"challengeSeed":[
"fccss",
@@ -1609,11 +1614,11 @@
" var slotTwo;",
" var slotThree;",
" ",
" var images = [\"http://i.imgur.com/9H17QFk.png\", \"http://i.imgur.com/9RmpXTy.png\", \"http://i.imgur.com/VJnmtt5.png\", \"http://i.imgur.com/XK735i8.png\", \"http://i.imgur.com/Vt32Bf7.png\"];",
" var images = [\"http://i.imgur.com/9H17QFk.png\", \"http://i.imgur.com/9RmpXTy.png\", \"http://i.imgur.com/VJnmtt5.png\"];",
" ",
" slotOne = Math.floor(Math.random() * (5 - 1 + 1)) + 1;",
" slotTwo = Math.floor(Math.random() * (5 - 1 + 1)) + 1;",
" slotThree = Math.floor(Math.random() * (5 - 1 + 1)) + 1;",
" slotOne = Math.floor(Math.random() * (3 - 1 + 1)) + 1;",
" slotTwo = Math.floor(Math.random() * (3 - 1 + 1)) + 1;",
" slotThree = Math.floor(Math.random() * (3 - 1 + 1)) + 1;",
" ",
" $('.logger').html('');",
" $('.logger').html('Not A Win');",