jQuery length > 0
<p>I desided to make my code clearer by replacing<br>
<code>
    if (wrappedSet.length > 0)<br>
</code>
to something like<br>
<code>
    if (wrappedSet.exists())<br>
</code>
Is any native jq function for this? Or the only way is to extend it using $.fn.exists = ... ?</p>
