Remove vs. Hide

JavaScript performance comparison

Revision 2 of this test case created by Alex Kahn

Preparation code

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>

<div id="remove-me"></div>
<div id="hide-me"></div>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
Remove
$('#remove-me').remove();
pending…
Hide
$('#hide-me').hide();
pending…

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Revisions

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1 comment

Mathias Bynens commented :

The problem is you’re trying to remove and hide the same element over and over again. Once an element is removed, it is removed; after that, calling .remove() won’t actually do anything anymore. The same goes for .hide().

To make a fair comparison, you should reinsert the removed element and .show() the hidden element before running every test. I did something similar in revision #3 of this test case.

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