jQuery visibility test

JavaScript performance comparison

Revision 2 of this test case created

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/prototype/1/prototype.js"></script>
<div id='foo'>foo</div>
<div id='bar'>bar</div><script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<script>
  var foo = $('#foo').hide(),
      bar = $('#bar');
 
  $.fn.isVisible = function() {
   return $.expr.filters.visible(this[0]);
  };
</script>

Preparation code output

foo
bar

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Testing in unknown unknown
Test Ops/sec
is(':hidden')
!foo.is(':hidden');
!bar.is(':hidden');
pending…
isVisible
foo.isVisible();
bar.isVisible();
pending…

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