hasOwnProperty

JavaScript performance comparison

Revision 2 of this test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var obj = {
      what: 1,
      dis: 3,
      omg: 4,
      i: 5,
      dunno: 6
    };
};
</script>

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Testing in unknown unknown
Test Ops/sec
hasOwnProperty
a = obj.hasOwnProperty('is');
pending…
not hasOwnProperty
a = typeof obj['is'] !== 'undefined';
pending…

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