A guide to idioms in YUI3 for jQuery developers, and vice-versa.
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Please Note:

This repo is no longer being maintained. Paul Irish and the YUI team have graciously taken over upkeep. Please visit its new home at:

In late 2009 I was porting a largish prototype from jQuery to YUI3 and kept wishing for a cheatsheet to help me translate the idioms of one library to the other.

You can read and comment on the HTML version, download the PDF, or fork the project on GitHub. It is by no means complete or authoritative but I hope it's useful.

This is a reference, not an evaluation or comparison of the libraries. If you have an opinion about which one is "better", that's great, but I don't want to hear it.

BSD License: Share and enjoy, but give credit.