Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
<script>
  Benchmark.prototype.setup = function() {
    var myobj = {
      one: {
        a: "1",
        b: "2"
      },
      two: {
        c: "3",
        d: "4"
      }
    };
  };
</script>

Test runner

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for (var item in myobj) {
  obj = myobj[item];
  for (var result in obj) {
    console.log(obj['a']);
  }
}

$.each(myobj, function(obj, result) {
  console.log(result['a']);
}​);

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