jQuery .live() vs .delegate() vs .on()

JavaScript performance comparison

Revision 30 of this test case created by tyareg

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.0/jquery.min.js">
</script>
<div id="context">
  <p>
    Some paragraph
  </p>
  <p id="element">
    Some ID'd paragraph
  </p>
</div>

Preparation code output

Some paragraph

Some ID'd paragraph

Test runner

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Testing in unknown unknown
Test Ops/sec
.live()
 
$('p').live('click', $.noop);
 pending…
.live() with context
 
$('p', $('#context')).live('click', $.noop);
 pending…
.delegate()
 
$('#context').delegate('p', 'click', $.noop);
 pending…
.delegate() on document
 
$(document).delegate('p', 'click', $.noop);
 pending…
.on()
 
$('#context').on('click', 'p', $.noop);
 pending…
.on() on document
 
$(document).on('click', 'p', $.noop);
 pending…
.delegate() on context using ID
 
$('#context').delegate('#element', 'click', $.noop);
 pending…
.delegate() on document using ID
 
$(document).delegate('#element', 'click', $.noop);
 pending…
.on() on context using ID
 
$('#context').on('click', '#element', $.noop);
 pending…
.on() on document using ID
 
$(document).on('click', '#element', $.noop);
 pending…
click()
 
$('#element').on('click', $.noop);
 pending…
click 
$('#element').click($.noop);
 pending…

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Revisions

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