Preparation code

 
<script>
  Benchmark.prototype.setup = function() {
    var obj = {};
    var v = obj.v = self.v = 0;
    
    function test1() {
      self.v += 1;
    }
    
    function test2() {
      obj.v += 1;
    }
    
    function test3() {
      v += 1;
    }
    
    function bench(func) {
      for (var i = 0; i < 50000; i++) func();
    }
  };

  Benchmark.prototype.teardown = function() {
    v = obj.v = self.v = 0;
  };
</script>

Test runner

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bench(test1)

bench(test2)

bench(test3)

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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 Cong Liu on 28th February 2013
• Revision 2: published by Cong Liu on 3rd March 2013
• Revision 3: published on 5th March 2013

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