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

JavaScript performance comparison

Revision 94 of this test case created

Preparation code

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

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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…
Literal notation
person1 = {
    name: "John",
    surname: "Doe",
    age: 30
}
 
pending…
array literal
person2 = ["John", "Doe", 30];
pending…

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