Preparation code

 
<script>
  Benchmark.prototype.setup = function() {
        function noop() { }
    
        function createObject(prototype) {
          noop.prototype = prototype;
          var result = new noop;
          noop.prototype = null;
          return result;
        }
    
        var nativeCreate = Object.create;
        
        function SuperClass() { }
        SuperClass.prototype.a = 3;
  };
</script>

Test runner

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createObject(SuperClass.prototype);

nativeCreate(SuperClass.prototype);

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