void vs. negation

JavaScript performance comparison

Test case created by Peter Müller

Preparation code

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

Preparation code output

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Testing in unknown unknown
Test Ops/sec
void
void(function($, window, undefined) {
  return 'foo';
})(jQuery, window);
pending…
negation
!(function($, window, undefined) {
  return 'foo';
})(jQuery, window);
pending…

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