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JavaScript performance comparison

Revision 3 of this test case created

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js"></script>
<script>
Benchmark.prototype.setup = function() {
    var r = [],
        win = window;
   
    function local() {
      return win.$.fn.jquery;
    }
   
    function global() {
      return window.$.fn.jquery;
    }
   
    function absent() {
      return $.fn.jquery;
    }
};
</script>

Test runner

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Testing in unknown unknown
Test Ops/sec
local window
r.push(local());
pending…
global window
r.push(global());
pending…
absent window
r.push(absent());
pending…

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