phpjs/_octopress/source/functions/property_exists/_comments.html

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<strong>
Pete
</strong>
on 2012-07-11 22:50:45 <br />
I think checking if cls is 'undefined' is reasonable, and if it is, then the function should also return false.

<pre><code>
if(typeof cls === 'undefined'){
   return false;
}
</code></pre>
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