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

JavaScript performance comparison

Revision 103 of this test case created

Preparation code

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

    wrapper = function () {
        return new Obj();
    };

    propObj = {
        p: {
            value: 1
        }
    };

    Obj.prototype.create = function () {
        return new Obj();
    };
</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…
Constructor wrapper
o = wrapper();
pending…
Prototype pattern with constructor wrapper
o = Obj.prototype.create();
pending…

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