caching length2

JavaScript performance comparison

Revision 63 of this test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var arr = [10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10];
   
    var len = arr.length;
};
</script>

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Testing in unknown unknown
Test Ops/sec
not cached
for (var i = 0; i < len; i++) {

}
 
pending…
cached
for (var i = 0, len = arr.length; i < len; i++) {

}
pending…

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