Preparation code

 
<script>
  Benchmark.prototype.setup = function() {
    function abs(n){
    return n < 0 ? -n : n;
    }
    
    function abs2(n){
    return (n^(n>>31))-(n>>31);
    }
  };

  Benchmark.prototype.teardown = function() {
    var a = 2, b = -3, c = 0
  };
</script>

Test runner

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Math.abs(a);
Math.abs(b);
Math.abs(c);

abs(a);
abs(b);
abs(c);

abs2(a);
abs2(b);
abs2(c);

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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 on 28th October 2011
• Revision 3: published by Solenoid on 17th December 2011
• Revision 4: published on 20th February 2012
• Revision 5: published on 20th September 2012
• Revision 6: published on 24th October 2012
• Revision 7: published on 7th February 2013
• Revision 8: published on 8th April 2013
• Revision 9: published on 8th April 2013

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