.(dot) vs [](square bracket)

JavaScript performance comparison

Revision 2 of this test case created by Kyle Simpson

Preparation code

<script>
  var doc = "document";
</script>

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Testing in unknown unknown
Test Ops/sec
.
var a = window.document;
pending…
[] with literal
var a = window["document"];
pending…
[] with variable
var a = window[doc];
pending…

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