This vs global

JavaScript performance comparison

Revision 3 of this test case created

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>

<div id="xyz">1123</div>

Preparation code output

1123

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Testing in unknown unknown
Test Ops/sec
This
(function() {
  return $("#xyz").val();
})();
pending…
Global
(function() {
  this.x || (this.x = $("#xyz").val());
   return this.x;
})();
pending…

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