Info

Check which of setting to undefined or delete a variable is preferable.

Preparation code

 
<script>
  Benchmark.prototype.teardown = function() {
    var testing = 123;
  };
</script>

Test runner

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Java applet disabled.

testing = undefined;

delete testing;

testing = ''

testing = null

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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 NeekGerd on 25th January 2013
• Revision 2: published on 8th February 2013

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