(fixed) for vs forEach vs while

JavaScript performance comparison

Revision 276 of this test case created by Peter and last updated

Preparation code

<script>
  var i, values = [],
      sum = 0;
  for (i = 0; i < 10000; i++) {
    values[i] = i;
  }

  function add(val) {
    sum += val;
  }
</script>
    

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
forEach
values.forEach(add);
pending…
for loop, cached length
var len = values.length;
for (i = 0; i < len; i++) {
  add(values[i]);
}
pending…
while
i=values.length;
while (i-- > 0) {
  add(values[i]);
}
pending…

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