id vs class vs tag selectors (v328)

Revision 328 of this benchmark created by Joseph Scott on


Preparation HTML

<p id="foo" class="foo"></p>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js"></script>

Test runner

Ready to run.

Testing in
TestOps/sec
id
var element = document.getElementById('foo');
ready
class
var element = document.getElementsByClassName('foo');
ready
tag
var element = document.getElementsByTagName('p');
ready
$(id)
var element = $('#foo');
ready
$(class)
var element = $('.foo');
ready
querySelectorAll(tag.class)
var element = document.querySelectorAll('p.foo');
ready
querySelectorAll(tag)
var element = document.querySelectorAll('p');
ready
querySelectorAll(id)
var element = document.querySelectorAll('#foo');
ready
querySelectorAll(class)
var element = document.querySelectorAll('.foo');
ready
window.ID
var element = window.foo;
ready
ID
var element = foo;
ready

Revisions

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