jQuery .delegate() vs .live() table test

JavaScript performance comparison

Revision 2 of this test case created by den

Preparation code

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>


<table>
  <tbody>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
  </tbody>
</table>

<table>
  <tbody>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
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    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
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    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
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    <tr>
      <td></td>
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    <tr>
      <td></td>
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    <tr>
      <td></td>
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    <tr>
      <td></td>
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    <tr>
      <td></td>
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    <tr>
      <td></td>
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    <tr>
      <td></td>
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      <td></td>
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      <td></td>
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    <tr>
      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
  </tbody>
</table>

<table>
  <tbody>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
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    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
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    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
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    <tr>
      <td></td>
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    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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      <td></td>
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    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
  </tbody>
</table>
    

Preparation code output

<table> <tbody> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> </tbody> </table> <table> <tbody> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> </tbody> </table> <table> <tbody> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> <tr> <td></td> </tr> </tbody> </table>

Test runner

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Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
.delegate()
$("table").delegate("td", "hover", function(){
    $(this).toggleClass("hover");
});
pending…
.live()
$("table").each(function(){
	$("td", this).live("hover", function(){
		$(this).toggleClass("hover");
	});
});
pending…
delegate from body
$(document.body).delegate("td", "hover", function(){
    $(this).toggleClass("hover");
});
pending…
delegate from body 2
$(document.body).delegate("table > tbody > td", "hover", function(){
    $(this).toggleClass("hover");
});
pending…

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Revisions

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