Append VS prepend

JavaScript performance comparison

Revision 6 of this test case created by Dmitry

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
<div id="test1">
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div><div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div><div></div>
<div></div>
</div>
<div id="test2">
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div><div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div><div></div>
<div></div>
</div>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
Append
$('#test1').append('<span></span>');
pending…
Prepend
$('#test2').prepend('<span></span>');
pending…

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Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:

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