Preparation code

<div id="parent">
</div>
<script>
  Benchmark.prototype.setup = function() {
    var parentNode = document.getElementById('parent');
    for (var i = 0, length = 100; i < length; i++) {
      var child = document.createElement('div');
      parentNode.appendChild(child);
    }
    var objs = parentNode.getElementsByTagName('div');
  };
</script>

Preparation code output

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for (var i = 0; i < objs.length; i++) {
  var obj = objs[i];
}

var objsArray = [];
for (var i = 0; i < objs.length; i++) {
  objsArray[i] = objs[i];
}
for (var i = 0; i < objsArray.length; i++) {
  var obj = objsArray[i];
}

var objsArray = Array.prototype.slice.call(objs);
for (var i = 0; i < objsArray.length; i++) {
  var obj = objsArray[i];
}

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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 4th December 2012
• Revision 2: published on 4th December 2012
• Revision 3: published by convert HTML collection into array 2 on 5th December 2012
• Revision 4: published by Cong Liu on 5th December 2012
• Revision 6: published by Cong Liu on 11th December 2012
• Revision 7: published on 16th December 2012
• Revision 8: published on 16th December 2012
• Revision 9: published on 16th February 2013
• Revision 10: published by Cong Liu on 8th March 2013

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