Info

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

Preparation code

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

Test runner

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Java applet disabled.

var f = random();

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

var f = (function() {
 return (function() {
  return (function() {
   return (function() {
    return 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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