ChildNodes: Array.slice vs Loop

JavaScript performance comparison

Revision 2 of this test case created

Preparation code

<div id="test">
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</div>
<script>
Benchmark.prototype.setup = function() {
    var childNodes = document.getElementById('test');
};
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
Array.slice
var ary = Array.prototype.slice.call(childNodes, 0);
pending…
Loop
var length = childNodes.length;
var ary = [];
for (var i = 0; i < length; i++)
  ary.push(childNodes[i]);
pending…

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