jQuery 1.4.2 vs jQuery 1.8.2 vs jQuery 1.9.0 comparisons

JavaScript performance comparison

Revision 27 of this test case created

Info

Checking selector performance in different jQuery versions.

Preparation code

var bmi_SafeAddOnload = function() {}; // stupid phone tether is injecting...

<script src="//code.jquery.com/jquery-1.9.0.min.js"></script>
<script type="text/javascript">
var $190 = jQuery.noConflict();
</script>

<script src="//code.jquery.com/jquery-1.8.2.min.js"></script>
<script type="text/javascript">
var $182 = jQuery.noConflict();
</script>

<script src="//code.jquery.com/jquery-1.4.2.min.js"></script>
<script type="text/javascript">
var $142 = jQuery.noConflict();
</script>


<div class="wrapper">
     <div class="innerWrapper">
          <div class="button">
               <a href="" id="button" class="buttonRef">
                    <span class="buttonText">Text</span>
               </a>
          </div>
     </div>
</div>
<script>
  var context90 = $190("div.wrapper");
  var context82 = $182("div.wrapper");
  var context42 = $142("div.wrapper");
</script>

Preparation code output

var bmi_SafeAddOnload = function() {}; // stupid phone tether is injecting...

Test runner

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

Java applet disabled.

Testing in unknown unknown
Test Ops/sec
Get - Class 1.4.2
var item = $142(".buttonRef");
pending…
Get - Class 1.8.2
var item = $182(".buttonRef");
pending…
Get - Class 1.9.0
var item = $190(".buttonRef");
pending…
Context - Class 1.4.2
var item = $142(".buttonRef", context42);
pending…
Context - Class 1.8.2
var item = $182(".buttonRef", context82);
pending…
Context - Class 1.9.0
var item = $190(".buttonRef", context90);
pending…
Find - Class 1.4.2
var item = context42.find(".buttonRef")
pending…
Find - Class 1.8.2
var item = context82.find(".buttonRef")
pending…
Find - Class 1.9.0
var item = context90.find(".buttonRef")
pending…

Compare results of other browsers

Revisions

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