jQuery children vs find

JavaScript performance comparison

Revision 44 of this test case created

Info

This testcase compares the performance of .children() and .find()

Preparation code

<div id="test">
 <div class="level1"><div class="level2"></div></div>
 <div class="level1"><div class="level2"></div></div>
 <div class="level1"><div class="level2"></div></div>
 <div class="level1"><div class="level2"></div></div>
 <div class="level1"><div class="level2"></div></div>
 <div class="level1"><div class="level2"></div></div>
 <div class="level1"><div class="level2"></div></div>
 <div class="level1"><div class="level2"></div></div>
 <div class="level1"><div class="level2"></div></div>
 <div class="level1"><div class="level2"></div></div>
 <div class="level1"><div class="level2"></div></div>
 <div class="level1"><div class="level2"></div></div>
</div><script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
 

Preparation code output

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Testing in unknown unknown
Test Ops/sec
children('div')
$('#test').children('div'); // 12 results
pending…
find('div')
$('#test').find('div'); // 24 results
pending…
children('.level1')
$('#test').children('.level1'); // 12 results
pending…
find('.level1')
$('#test').find('.level1'); // 12 results
pending…
children('.level2')
$('#test').children('.level2'); // 0 results
pending…
find('.level2')
$('#test').find('.level2'); // 12 results
pending…
children('.doesnotexist')
$('#test').children('.doesnotexist'); // 0 results
pending…
querySelectorAll('#test > .level1');
document.querySelectorAll('#test > .level1');
pending…
$("#test")[0]querySelectorAll('> .level1');
$("#test")[0].querySelectorAll('> .level1');
pending…

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