Preparation code

<script>
  var items = new Array(10000);
</script>

Test runner

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var i = items.length;
while (--i) {

}

for (var i = 0, len = items.length; i < len; i++) {

}

for (var i in items) {

}

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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 11th October 2010
• Revision 3: published on 11th October 2010
• Revision 5: published on 12th October 2010
• Revision 6: published on 19th June 2011

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