Browser Diet - jQuery Selectors

JavaScript performance comparison

Revision 17 of this test case created

Preparation code

<div>
  <ul id="list">
    <li class="test"></li>
    <li></li>
    <li class="test"></li>
    <li></li>
    <li class="test"></li>
    <li></li>
    <li class="test"></li>
    <li></li>
    <li class="test"></li>
  </ul>
</div>

<div class="test"></div>

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

<script>
  var list = document.getElementById('list');
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
context
var $test = $('.test', list);

 
pending…
selector
var $test = $('#list .test');
pending…
context and find()
var $test = $(list).find('.test');
pending…
created context
var $test = $('.test', $('#list'));
pending…
selector and find
var $test = $('#list').find('.test');
pending…
parent/child selector
var $test = $('#list > .test');
pending…
Like
var $test = $('li[class*=tes]');
pending…

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