pre-allocated arrays

JavaScript performance comparison

Revision 15 of this test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var arr = [];
   
    var size = 100;
    var arr2 = new Array(size);
};
</script>

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Testing in unknown unknown
Test Ops/sec
empty literal
for (var i = 0; i < size; i++) {
  arr[i] = i;
}
pending…
pre-allocated array
for (var i = 0; i < size; i++) {
  arr2[i] = i;
}
pending…

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