new vs Object.create (including polyfill)

JavaScript performance comparison

Revision 5 of this test case created

Info

testing of new vs native object.create when supported or polyfill where needed

Preparation code

<script>
  if (!Object.create) {
   Object.create = function(o, props) {
    function F() {}
    F.prototype = o;
 
    if (typeof(props) === "object") {
     for (prop in props) {
      if (props.hasOwnProperty((prop))) {
       F[prop] = props[prop];
      }
     }
    }
    return new F();
   };
  }
 
  var Foo = function() {};
  Foo.prototype.bar = "bar";
  Foo.prototype.baz = "baz";
  Foo.prototype.bang = "bang";
  var P = Foo.prototype;
</script>

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Testing in unknown unknown
Test Ops/sec
New
var obj = new Foo();
pending…
Object.create
var obj = Object.create(P);
pending…

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