translate3d vs translate vs css left/top vs css margin

JavaScript performance comparison

Revision 28 of this test case created

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 = 0,
    t = '';

for (var i = 200; i--;) {
  x = i * 5;
  t = 'translate3d(' + x + 'px, ' + x + 'px, 0)';
  style.WebkitTransform = t;
  style.MozTransform = t;
  style.OTransform = t;
  style.msTransform = t;
  style.transform = t;
  elem._width = elem.offsetWidth;
}
pending…
translate
var x = 0,
    t = '';

for (var i = 200; i--;) {
  x = i * 5;
  t = 'translate(' + x + 'px, ' + x + 'px)';
  style.WebkitTransform = t;
  style.MozTransform = t;
  style.OTransform = t;
  style.msTransform = t;
  style.transform = t;
  elem._width = elem.offsetWidth;
}
pending…
left
var x = 0,
    t = '';

for (var i = 200; i--;) {
  x = i * 5;
  t = x + 'px';
  style.left = t;
  style.top = t;
  elem._width = elem.offsetWidth;
}
pending…
margin
var x = 0,
    t = '';

for (var i = 200; i--;) {
  x = i * 5;
  t = x + 'px';
  style.marginLeft = t;
  style.marginTop = t;
  elem._width = elem.offsetWidth;
}
pending…

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