closures

JavaScript performance comparison

Test case created by CodeRenaissance

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    function closedOver(){
   
    }
   
    function a(){
      this.closedOver = this.closedOver || closedOver;
      this.closedOver()
    }
    a();
   
    function b(){
       closedOver();
    }
   
    function c(){
    function closedOver(){
   
    }
    closedOver();
    }
};
</script>

Test runner

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Testing in unknown unknown
Test Ops/sec
cached closure
a();
pending…
closure
b();
pending…
direct
closedOver();
pending…
internal
c();
pending…

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