Object.create() vs. constructor vs. object literal

JavaScript performance comparison

Revision 134 of this test case created

Preparation code

<script>
  Obj = function() {
   this.p = 1;
  }
 
  propObj = {
   p: {
    value: 1
   }
  };

  Obj2 = function(a, b, c) {
   this.aa = a;
   this.ba = b;
   this.ca = c;
   return aa + ba + ca;
  }

  Obj3 = function(a, b, c) {
   var aa = a;
   var ba = b;
   var ca = c;
   return aa + ba + ca;
  }
</script>

Test runner

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Testing in unknown unknown
Test Ops/sec
Object.create() using in-place property object
/*o = Object.create(Object.prototype, {
 p: {
  value: 1
 }
});*/
pending…
Object.create() using pre-defined property object
//o = Object.create(Object.prototype, propObj);
pending…
Constructor function
o = new Obj();
pending…
Obj2
o = new Obj2(1,1,1);
pending…

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