cssText vs style (v9)

Revision 9 of this benchmark created by skyblue on

Description

Comparing the performance of using style against changing directly cssText. Also compared against with just adding a css classname.

Preparation HTML

<div id="element">
</div>
<style type=”text/css”>
  .newClass { left: 10px; top:50px; }
</style>

Test runner

Ready to run.

Testing in
TestOps/sec
element.style
var element = document.getElementById('element');
var left = 10;
var top = 50;
element.style.left = left + 'px';
element.style.top = top + 'px';
ready
element.cssText
var element = document.getElementById('element');
var left = 10;
var top = 50;
element.style.cssText += '; left: ' + left + 'px; top: ' + top + 'px;';
ready
change css class
var element = document.getElementById('element');
element.className = 'newClass';
ready

Revisions

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