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It is built in to many browsers.

<node>.querySelector(...) and <node>.querySelectorAll(...)

If all you're using jQuery for is grabbing nodes from the DOM and attaching event listeners AND you don't care about old versions of IE then...

http://caniuse.com/queryselector

In a nut: querySelector[All] requires IE8, addEventListener requires IE9.

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Just to be clear, jQuery's selector syntax supports many, many things that querySelector(All) does not.

http://api.jquery.com/category/selectors/jquery-selector-ext...

It's not many things, if you look carefully you will realize most of what is listed can be rewritten with a CSS selector. For example ":button" is the same has "button, input[type='button']". They are mostly just shorthand and that's not extra feature.

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