Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
<script>
  var arr = [];
  for (var i = 0; i < 100000; i++) {
    arr.push(i);
  }
  
  var obj = {};
  for (var i = 0; i < 100000; i++) {
    obj[i] = i;
  }
</script>

Preparation code output

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var sum = 0;
for (var i = 0; i < arr.length; i++) {
  sum += arr[i];
}
window.sum = sum;

var i, sum = 0;
for (i in arr) {
  sum += arr[i];
}
window.sum = sum;

var sum = 0;
for (var i = 0, len = arr.length; i < len; i++) {
  sum += arr[i];
}
window.sum = sum;

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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 by huangcd on 18th August 2011
• Revision 2: published by seung joon choi on 13th September 2011
• Revision 3: published on 14th September 2011

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