jquery first child

JavaScript performance comparison

Revision 2 of this test case created

Preparation code

<!DOCTYPE html>
<html>
<head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<meta charset=utf-8 />
<title>JS Bin</title>
</head>
<body>
  <div id="child1"></div>
  <div id="child2"></div>
  <div id="child3"></div>
</body>
</html>

Preparation code output

JS Bin

Test runner

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Testing in unknown unknown
Test Ops/sec
.first()
$('div').first();
pending…
:first
$('div:first');
pending…
.eq(0)
$('div').eq(0);
pending…
:eq(0)
$('div:eq(0)');
pending…

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