translate3d vs translate XY vs css left/top (v26)

Revision 26 of this benchmark created by David Aurelio on

Preparation HTML

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

Test runner

Ready to run.

Testing in
TestOps/sec
translate3d
var x = y = 0;
for (var i = 100; i--;) {
 x = i;
 y = i * 5;

 style.WebkitTransform = 'translate3d(' + x + 'px, ' + y + 'px, 0)';
 elem._width = elem.offsetWidth; // force reflow
}
ready
translateX/Y
var x = y = 0;
for (var i = 100; i--;) {
 x = i;
 y = i * 5;

 style.WebkitTransform = 'translateX(' + x + 'px) translateY(' + y + 'px)';
 elem._width = elem.offsetWidth; // force reflow

}
ready
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';
 elem._width = elem.offsetWidth; // force reflow
}
ready
css height/width
var x = y = 0;
for (var i = 100; i--;) {
 x = i;
 y = i * 5;
 style.width = x + 'px';
 style.height = y + 'px';
 elem._width = elem.offsetWidth; // force reflow
}
ready

Revisions

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