Preparation code

 
<script>
  Benchmark.prototype.setup = function() {
    var obj = {
      "foo":"bar",
      "what":"ok",
      "party" : "whatever"
    }
  };
</script>

Test runner

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if ("thing" in obj) {
 var b = obj["thing"];
}

if (typeof(obj['thing']) !== "undefined") {
 var b = obj["thing"];
}

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Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:

• Revision 1: published on 6th February 2013
• Revision 2: published on 6th February 2013
• Revision 3: published on 7th February 2013

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