translate3d vs translate XY vs css left/top

JavaScript performance comparison

Revision 46 of this test case created by molant

Preparation code

<div id="elem" style="position: absolute; background:#ccc; width:10px; height:10px;"></div>
<script>
  var elem = document.getElementById("elem");
  var style = elem.style;
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
translate3d
var x = y = 0;
for (var i = 100; i--;) {
 x = i;
 y = i * 5;
 var transform = 'translate3d(' + x + 'px, ' + y + 'px, 0)';
 style.MozTransform = transform;
 style.WebkitTransform = transform;
 style.OTransform = transform;
 style.transform = transform;
}
pending…
translateX/Y
var x = y = 0;
for (var i = 100; i--;) {
 x = i;
 y = i * 5;
 var transform = 'translateX(' + x + 'px) translateY(' + y + 'px)';
 style.MozTransform = transform;
 style.WebkitTransform = transform;
 style.OTransform = transform;
 style.transform = transform;
}
pending…
css left/top
var x = y = 0;
for (var i = 100; i--;) {
 x = i;
 y = i * 5;
 style.left = x + 'px';
 style.top = y + 'px';
}
pending…

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