Info

Compare the speed of getElementById to querySelector

Preparation code

<p id="foo">
  Foo
</p>
<p id="bar">
  Bar
</p>
<p id="baz">
  Baz
</p>
<script>
  Benchmark.prototype.setup = function() {
    < script src = "//ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js" > < /script>
  };
</script>

Preparation code output

Test runner

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var bar = document.getElementById("bar");

var bar = document.querySelector("#bar");

var bar = jQuery("#bar");

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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:

• Revision 1: published by Ara Pehlivanian on 30th September 2010
• Revision 3: published on 18th August 2011
• Revision 4: published on 9th September 2011
• Revision 5: published on 27th October 2011
• Revision 6: published on 31st December 2011
• Revision 7: published on 4th January 2012
• Revision 8: published by vamp on 4th January 2012
• Revision 9: published on 19th January 2012
• Revision 10: published on 4th March 2012
• Revision 11: published on 13th March 2012
• Revision 12: published on 20th March 2012
• Revision 14: published on 29th May 2012
• Revision 15: published by Name64 on 29th May 2012
• Revision 16: published on 22nd August 2012
• Revision 17: published on 22nd August 2012
• Revision 18: published on 29th August 2012
• Revision 19: published on 29th August 2012
• Revision 20: published on 18th September 2012
• Revision 21: published on 19th September 2012
• Revision 22: published on 23rd October 2012
• Revision 23: published on 30th October 2012
• Revision 24: published on 13th November 2012
• Revision 25: published on 15th November 2012
• Revision 26: published on 19th November 2012
• Revision 27: published on 28th November 2012
• Revision 28: published by dc on 29th November 2012
• Revision 30: published on 3rd January 2013
• Revision 31: published on 21st January 2013
• Revision 32: published on 25th March 2013
• Revision 33: published by AjiTae on 2nd April 2013
• Revision 34: published by AjiTae on 2nd April 2013
• Revision 37: published 3 days ago
• Revision 38: published 3 days ago

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