[] vs new Array()

JavaScript performance comparison

Revision 37 of this test case created

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<div><p><span><a>你好</a></span></p></div><script>function getHeight(el){return el.offsetHeight}</script>
 

Preparation code output

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Testing in unknown unknown
Test Ops/sec
$ height()
$('div p span a').height()
pending…
ele height
$('div p span a')[0].offsetHeight
pending…
fn
getHeight($('div p span a')[0])
pending…

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