update JavaScript challenges
Quincy Larson
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1dd0294a18
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f2ee2e4031
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@ -1,22 +1,23 @@
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{
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"name": "Automated Testing and Debugging - Coming Soon",
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"name": "Automated Testing and Debugging",
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"order": 0.012,
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"challenges": [
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{
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"id":"cf1111c1c16feddfaeb6bdef",
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"title":"Using the Javascript console",
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"title":"Use the Javascript Console",
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"difficulty":0,
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"description":[
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"",
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"The browser console is the best and easiest tool for debugging your scripts",
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"It can normally be access by pressing f12 in most browsers or right click > inspect element > console",
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"Let's print to this console using the console.log method",
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"Both Chrome and Firefox have excellent JavaScript consoles, also known as DevTools, for debugging your JavaScript.",
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"You can find <code>Developer tools</code> in your Chrome's menu or <code>Web Console</code> in FireFox's menu. If you're using a different browser, or a mobile phone, we strongly recommend switching to desktop Firefox or Chrome.",
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"Let's print to this console using the <code>console.log</code> method.",
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"<code>console.log('Hello world!')</code>"
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],
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"tests":[
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"assert(editor.getValue().match(/console\\.log\\(/gi), 'You should use the console.log method to ');"
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"assert(editor.getValue().match(/console\\.log\\(/gi), 'You should use the console.log method to log \"Hello world!\" to your JavaScript console.');"
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],
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"challengeSeed":[
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"",
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"",
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""
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],
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"challengeType":1
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@ -26,22 +27,23 @@
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"title":"Using typeof",
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"difficulty":0,
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"description":[
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"",
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"typeof is a useful method that we can use to check the type of a variable",
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"One thing to be careful of is that an array has the type objects",
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"Try using each of these to see the types they have",
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"<code>console.log(typeof(\"\"));",
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"console.log(typeof(0));",
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"console.log(typeof([]));",
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"console.log(typeof({}));</code>"
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"<code>typeof</code> is a useful method that we can use to check the type of a variable.",
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"One thing to be careful of is that an array has the type objects.",
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"Try using each of these to see the types they have.",
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"<code>console.log(typeof(\"\"));</code>",
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"<code>console.log(typeof(0));</code>",
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"<code>console.log(typeof([]));</code>",
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"<code>console.log(typeof({}));</code>"
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],
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"tests":[
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"assert(editor.getValue().match(/console\\.log\\(typeof\\(\"\"\\)\\);/gi), 'You should console.log the typeof a string');",
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"assert(editor.getValue().match(/console\\.log\\(typeof\\(0\\)\\);/gi), 'You should console.log the typeof a number');",
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"assert(editor.getValue().match(/console\\.log\\(typeof\\(\\[\\]\\)\\);/gi), 'You should console.log the typeof a array');",
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"assert(editor.getValue().match(/console\\.log\\(typeof\\(\\{\\}\\)\\);/gi), 'You should console.log the typeof a object');"
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"assert(editor.getValue().match(/console\\.log\\(typeof\\(\"\"\\)\\);/gi), 'You should <code>console.log</code> the <code>typeof</code> a string.');",
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"assert(editor.getValue().match(/console\\.log\\(typeof\\(0\\)\\);/gi), 'You should <code>console.log</code> the <code>typeof</code> a number.');",
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"assert(editor.getValue().match(/console\\.log\\(typeof\\(\\[\\]\\)\\);/gi), 'You should <code>console.log</code> the <code>typeof</code> an array.');",
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"assert(editor.getValue().match(/console\\.log\\(typeof\\(\\{\\}\\)\\);/gi), 'You should <code>console.log</code> the <code>typeof</code> a object.');"
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],
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"challengeSeed":[
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"",
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"",
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""
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],
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"challengeType":1
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@ -15,7 +15,8 @@
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"title":"Waypoint: A Review On Objects",
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"difficulty":0,
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"description":[
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"Before we dive into Object Oriented Programming Let's take a quick look over objects in javascript"
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"Before we dive into Object Oriented Programming, let's revisit JavaScript objects.",
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"Give your <code>motorBike</code> object the correct attributes."
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],
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"tests":[
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"assert(motorBike.wheels===2, 'You should have given motorBike two wheels');",
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@ -47,7 +48,8 @@
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"title":"Waypoint: Constructing Objects",
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"difficulty":0,
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"description":[
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"We are also able to create Objects using functions"
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"We are also able to create objects using functions.",
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""
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],
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"tests":[
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"assert((new Car()).wheels === 4, \"myCar.wheels should be four. Make sure that you haven't changed this value\");",
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@ -55,12 +57,11 @@
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"assert(typeof((new Car()).seats) === 'number', 'myCar.seats should be a number');"
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],
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"challengeSeed":[
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"//Let's add the properties engine and seats to the car in the same way that the property wheels has been added below. They should both be numbers",
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"// Let's add the properties engine and seats to the car in the same way that the property wheels has been added below. They should both be numbers.",
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"var Car = function(){",
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" this.wheels = 4;",
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"};",
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"",
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"//Instantiated Here",
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"var myCar = new Car();",
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"",
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"(function(){return(JSON.stringify(myCar));})();"
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