getElementById VS jQuery('#id')

JavaScript performance comparison

Revision 108 of this test case created

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<div id="foo" />
<script type="text/javascript">
window.element = null;
</script>
<script>
Benchmark.prototype.teardown = function() {
    window.element = null;
};
</script>

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
getElementById
window.element = document.getElementById('foo');
pending…
jQuery
window.element = $('#foo')[0];
pending…
jQuery with getElementById
window.element = $(document.getElementById('foo'))[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