forvswhile

JavaScript performance comparison

Test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var arr = ['a','b','c']
};
</script>

Test runner

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Testing in unknown unknown
Test Ops/sec
for
var i=0;len=arr.length;
for(;i<len;i++) {
    var q = arr[i];
}
pending…
while
var i = arr.length;
while(i--) {
    var q = arr[i];
}
pending…
for inline
for(var i=0,len=arr.length;i<len;i++) {
    var q = arr[i];
}
pending…

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