Updated Code Example for Iterate Over Arrays w Map
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@ -305,7 +305,7 @@
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"title": "Iterate over Arrays with .map",
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"description": [
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"The <code>map</code> method is a convenient way to iterate through arrays. Here's an example usage:",
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"<blockquote>var timesFour = oldArray.map(function(val){<br> return val * 4;<br>});</blockquote>",
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"<blockquote>var oldArray = [1, 2, 3];<br>var timesFour = oldArray.map(function(val){<br> return val * 4;<br>});<br>console.log(timesFour); // returns [4, 8, 12]<br>console.log(oldArray); // returns [1, 2, 3]</blockquote>",
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"",
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"The <code>map</code> method will iterate through every element of the array, creating a new array with values that have been modified by the callback function, and return it. Note that it does not modify the original array.",
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"In our example the callback only uses the value of the array element (the <code>val</code> argument) but your callback can also include arguments for the <code>index</code> and <code>array</code> being acted on.",
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