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    <p>You're really confused. Everything in JavaScript (except for primitive data types, <code>null</code> and <code>undefined</code>) is an object, and objects are stored in variables as reference. Read the following answer to know more about the differences between the two: <a href="https://stackoverflow.com/a/13268731/783743">https://stackoverflow.com/a/13268731/783743</a></p> <p>When you define two identical functions (in your case <code>x</code> and <code>a</code>) JavaScript sees them as separate functions. This is because in addition to the function body a function also maintains its own environment and state. Hence <code>x</code> and <code>a</code> are not the same function which is why <code>x === a</code> returns <code>false</code>.</p> <p>By setting <code>x = a</code> you're essentially copying the reference stored in <code>a</code> into <code>x</code>. Hence they now point to the same function (which is the function <code>a</code> was originally referring to). The function <code>x</code> was originally referring to is now lost and will eventually be garbage collected. Thus <code>x === a</code> now returns <code>true</code>.</p> <p>BTW you don't need to create a special <code>Contains</code> function to check whether an object is already inside an array. Just use <code>indexOf</code>:</p> <pre><code>var array = []; function x() {} array.indexOf(x); // returns -1 array.push(x); array.indexOf(x); // returns 0 </code></pre> <p>If the index is less than <code>0</code> the object is not in the array.</p> <p>If you want to check whether the function body of two functions is the same then use this function:</p> <pre><code>function sameFunctionBody(a, b) { return String(a) === String(b); } </code></pre> <p>Now <code>console.log(sameFunctionBody(x, a))</code> will return <code>true</code> as long as both the functions are <strong>exactly</strong> the same (including whitespace, parameters, function name, etc).</p>
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    1. POReferences with variables in Javascript
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    1. USAadit M Shah
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    1. COI am not 100% confused. I was more clarifying things. :)
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    2. COOh, alright. =)
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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