Fastest array loops in Javascript

JavaScript performance comparison

Revision 569 of this test case created by Vadim Gellerman

Preparation code

<script src="//cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.4/lodash.min.js"></script>
<script>
  // Populate the base array
  var arr = [], newArr = [];
  for (var i = 0; i < 1000; i++) {
    arr[i] = i;
  }

  function someFn(ix) {
    return ix * 5 + 1 / 3 * 8;
  }
</script>
    

Preparation code output

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
_.each
_.each(arr, function(i){
  someFn(i)
})
pending…

Revisions

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