.first() vs :first vs eq(0)

JavaScript performance comparison

Revision 18 of this test case created by Washington Botelho

Info

which is faster .first(), :first or .eq(0)?

Stack Overflow Question: http://stackoverflow.com/questions/2312761/jquery-first-vs-first

Preparation code

<script src="https://code.jquery.com/jquery-2.1.1.min.js"></script>

<div></div>
<div></div>
<div></div>

Preparation code output

Test runner

Warning! For accurate results, please disable Firebug before running the tests. (Why?)

Java applet disabled.

Testing in unknown unknown
Test Ops/sec
.first()
$('div').first();
pending…
:first
$('div :first');
pending…
.eq(0)
$('div').eq(0);
pending…

Compare results of other browsers

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:

0 comments

Add a comment