Preparation code

<script>
function plainArray() {
  var a = [];
  for (var i = 0; i < 10000; i++) {
    a[i] = i;
  }
  var sum = 0;
  for (var i = 0; i < a.length; i++) {
    sum += a[i];
  }
  return sum;
}
function arrayWithProperty() {
  var a = [];
  a.foo = 123;
  for (var i = 0; i < 10000; i++) {
    a[i] = i;
  }
  var sum = 0;
  for (var i = 0; i < a.length; i++) {
    sum += a[i];
  }
  return sum;
}
</script>

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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 Erik Corry on 12th December 2012
• Revision 2: published on 12th December 2012
• Revision 3: published by Erik Corry on 13th December 2012

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