jQuery Cached Set

JavaScript performance comparison

Revision 24 of this test case created

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Compare performance of cached vs repeated element selections

Preparation code

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.0/jquery.min.js"></script>

<table id="rankTable" style="word-break: break-all; min-width: 956px; width: 250px;">
  <tr class="trRank"><td>a</td></tr>
  <tr class="trRank"><td>b</td></tr>
  <tr class="trRank"><td>c</td></tr>
  <tr class="trRank"><td>d</td></tr>
  <tr class="trRank"><td>e</td></tr>
        </table>
<script>
</script>

Preparation code output

a
b
c
d
e

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Testing in unknown unknown
Test Ops/sec
Cached elements
 
$('.trRank').append('abv');

//var tbody = $('#rankTable tbody');
 pending…
No cache
 
$('.trRank').append('<td></td>').text("label");
 
 pending…

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