Preparation code

<script src="//cdnjs.cloudflare.com/ajax/libs/lodash.js/1.0.1/lodash.min.js"></script>
<script>
  Benchmark.prototype.setup = function() {
    var _ = window._;
    var array = Array(100);
    for (var index = 0; index < 100; index++) {
      array[index] = index;
    }
  };
</script>

Test runner

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var result = Array(100);
array.forEach(function(value, index) {
  result[index] = value * value;
});

var result = Array(100);
_.forEach(array, function(value, index) {
  result[index] = value * value;
});

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Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:

• Revision 1: published on 22nd November 2012
• Revision 2: published on 12th December 2012
• Revision 3: published on 8th March 2013

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