jQuery Cached Set

JavaScript performance comparison

Test case created by Nilayan Sharma

Preparation code

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

<div id="top" class="mydiv">
  <p id="para_1" class="mytext">Paragraph one</p>
  <p id="para_2" class="mytext">Paragraph two</p>
  <p id="para_3" class="mytext">Paragraph three</p>
  <span id="span_1" class="mytext">Text in a span</span>
</div>

<p id="para_4" class="mytext">Paragraph four</p>
<p id="para_5" class="mytext">Paragraph five</p>
<p id="para_6" class="mytext">Paragraph six</p>
<script>
  var parent_el = document.getElementById("top");
  var cached = jQuery(parent_el).find('p.mytext');
</script>
    

Preparation code output

<div id="top" class="mydiv"> <p id="para_1" class="mytext">Paragraph one</p> <p id="para_2" class="mytext">Paragraph two</p> <p id="para_3" class="mytext">Paragraph three</p> <span id="span_1" class="mytext">Text in a span</span> </div> <p id="para_4" class="mytext">Paragraph four</p> <p id="para_5" class="mytext">Paragraph five</p> <p id="para_6" class="mytext">Paragraph six</p> <script> var parent_el = document.getElementById("top"); var cached = jQuery(parent_el).find('p.mytext'); </script>

Test runner

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Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Cached elements
cached.css('color', '#ff0000');
cached.css('text-decoration', 'underline');
cached.css('background-color', '#eeeeee');
pending…
No cache
jQuery('#top').find('p.mytext').css('color', '#ff0000');
jQuery('#top').find('p.mytext').css('text-decoration', 'underline');
jQuery('#top').find('p.mytext').css('background-color', '#eeeeee');
pending…

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Revisions

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2 Comments

Kuntau commented :

wow 814 smoked 813 by a margin

atul commented :

BVHJ

Paragraph one

Paragraph two

Paragraph three

Text in a span

Paragraph four

Paragraph five

Paragraph six