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

JavaScript performance comparison

Revision 115 of this test case created by Dick

Preparation code

  var o, proto = Object.prototype, create = Object.create, descriptors = {
    p: {value: 1}

  function Obj() {
   this.p = 1;


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Testing in unknown unknown
Test Ops/sec
Constructor function
o = new Obj();
Object.create() using in-place prototype and properties object
o = create(proto, descriptors);

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