jquery 1.9 vs 2.0b1

JavaScript performance comparison

Revision 36 of this test case created on 21st January 2013

Info

Comparison of performance between jQuery versions

Preparation code

<div id="test"> 
        <div class="testlink">
                <a href="#" id="linkone" title="test">test link</a>
        </div> 
        <div class="testmenu">
                <ul>
                        <li class="menuitem itemone">
                                <a href="#" title="item 1">menu item 1</a>
                        </li>
                        <li class="menuitem itemtwo">
                                <a href="#" title="item 2">menu item 2</a>
                        </li>
                        <li class="menuitem itemthree">
                                not clickable item 3
                        </li>
                </ul>
        </div>
</div>
<script src="http://code.jquery.com/jquery-1.9.0.min.js"></script>
<script> var $jq19 = jQuery.noConflict( true ); </script>
<script src="http://code.jquery.com/jquery-2.0.0b1.min.js"></script>
<script> var $jq20 = jQuery.noConflict( true ); </script>

Preparation code output

test link

menu item 1
menu item 2
not clickable item 3

Test runner

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Java applet disabled.

Testing in unknown unknown
Test		Ops/sec
1.9 by id	`$jq19('#linkone');`	pending…
2.0 by id	`$jq20('#linkone')`	pending…
1.9 by class	`$jq19('.menuitem');`	pending…
2.0 by class	`$jq20('.menuitem');`	pending…
1.9 descendent tag - class	`$jq19('div.testmenu a');`	pending…
2.0 descendent tag - class	`$jq20('div.testmenu a');`	pending…
1.9 unquoted attr check	`$jq19('div[title=test]');`	pending…
2.0 unquoted attr check	`$jq20('div[title=test]');`	pending…
1.9 generic descendant	`$jq19('body div');`	pending…
2.0 generic descendant	`$jq20('body div');`	pending…

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Revisions

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Revision 1: published by Dan Heberden on 11th April 2011
Revision 2: published by Dan Heberden on 11th April 2011
Revision 3: published by Dan Heberden on 11th April 2011
Revision 4: published by Addy Osmani on 3rd July 2011
Revision 5: published by Addy Osmani on 3rd July 2011
Revision 6: published on 3rd July 2011
Revision 7: published by Addy Osmani on 3rd July 2011
Revision 10: published on 27th September 2011
Revision 11: published on 28th September 2011
Revision 12: published on 7th November 2011
Revision 13: published on 19th November 2011
Revision 15: published on 21st February 2012
Revision 16: published by Arno Hoogma on 16th March 2012
Revision 17: published on 28th March 2012
Revision 18: published on 29th March 2012
Revision 19: published on 7th May 2012
Revision 20: published on 12th June 2012
Revision 21: published by Ervin on 24th August 2012
Revision 22: published on 24th August 2012
Revision 23: published on 28th August 2012
Revision 24: published on 26th September 2012
Revision 25: published on 23rd October 2012
Revision 26: published on 23rd October 2012
Revision 27: published on 23rd October 2012
Revision 29: published on 21st November 2012
Revision 30: published on 21st November 2012
Revision 31: published by nkh on 22nd November 2012
Revision 32: published on 22nd November 2012
Revision 33: published on 17th January 2013
Revision 34: published on 18th January 2013
Revision 35: published on 18th January 2013
Revision 36: published on 21st January 2013
Revision 37: published by Paul S on 22nd January 2013
Revision 40: published on 26th March 2013
Revision 41: published on 2nd April 2013
Revision 42: published by Paul Tregoing 2 weeks ago