Preparation code

<script>
  var array = [],
      len;
  for (var i = 0; i < 10000000; i++) array[i] = i;
  
  len = array.length;
  i = 0;
</script>

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var sum = 0;
for (i = 0; i < len; i++) {
  sum += array[i];
}

var sum = 0;
array.forEach(function(x) {
  sum += x;
});

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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 23rd April 2011
• Revision 3: published on 19th November 2011
• Revision 4: published by keville on 25th January 2013 and last updated on 26th January 2013

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