Preparation code

 
<script>
  Benchmark.prototype.setup = function() {
    var str = 'abcd';
  };
</script>

Test runner

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str = str.substring(0, str.length - 2);
str += 'cd';

str = str.slice(0, -2);
str += 'cd';

str = str.substr(0, str.length - 2);
str += 'cd';

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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 SiPlus on 16th November 2012
• Revision 2: published on 3rd January 2013

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