for vs forEach

JavaScript performance comparison

Revision 539 of this test case created by

Preparation code

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

  function (array, fn, scope, reverse) {
        array = ExtL.from(array);

        var i,
            ln = array.length;

        if (reverse !== true) {
            for (i = 0; i < ln; i++) {
                if (fn.call(scope || array[i], array[i], i, array) === false) {
                    return i;
                }
            }
        }
        else {
            for (i = ln - 1; i > -1; i--) {
                if (fn.call(scope || array[i], array[i], i, array) === false) {
                    return i;
                }
            }
        }

        return true;
    }
</script>
    

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Testing in CCBot 2.0.0 / Other 0.0.0
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