http://simonwillison.net/2008-08-21T09:50:25+00:00Simon Willison2008-08-21T09:50:25+00:002008-08-21T09:50:25+00:00https://simonwillison.net/2008/Aug/21/queryselectorall/#atom-tag

<p><strong><a href="http://ejohn.org/blog/queryselectorall-in-firefox-31/">querySelectorAll in Firefox 3.1</a></strong></p> John Resig benchmarks the various JavaScript libraries’ support for querySelelectorAll, and finds an impressive 2-6x performance improvement over native DOM traversal. It’s worth clicking through to John’s experimental plugin for adding support to jQuery, which does a clever trick using __proto__ to convert the collection returned by querySelectorAll in to a jQuery object in browsers that support it. <p>Tags: <a href="https://simonwillison.net/tags/firefox">firefox</a>, <a href="https://simonwillison.net/tags/javascript">javascript</a>, <a href="https://simonwillison.net/tags/john-resig">john-resig</a>, <a href="https://simonwillison.net/tags/jquery">jquery</a>, <a href="https://simonwillison.net/tags/proto">proto</a>, <a href="https://simonwillison.net/tags/queryselectorall">queryselectorall</a>, <a href="https://simonwillison.net/tags/selectors">selectors</a></p>