Info

how much does scope lookup cost? and what about closure creation?

.. this time we're not querying value from global scope

Preparation code

<script>
  var random = Math.random;
</script>

Test runner

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Java applet disabled.

var f = random();

var f = (function(random) {
 return random();
}(random));

var f = (function(random) {
 return (function(random) {
  return (function(random) {
   return (function(random) {
    return random();
   }(random));
  }(random));
 }(random));
}(random));

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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 WebReflection on 24th May 2011
• Revision 2: published on 24th May 2011
• Revision 3: published by Kyle Simpson on 24th May 2011
• Revision 4: published by WebReflection on 24th May 2011
• Revision 5: published by Mariusz Nowak on 25th May 2011

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