The keys are working if the search field has focus or your mouse cursor is in the navigation area. ESC key is global.
UP - Previous category / Previous item DOWN - Next category / Next item ENTER - Open category / Load selected item ESC - Clear search field and set focus
jQAPI(LICENSE), jQuery, Rails API, Highlight Plugin, 'Cowboy' Ben Alman: BBQ Plugin / doTimeout Plugin / Feedback, yayQuery, Technikwuerze, Erik Zaadi: building the AIR app, Tweople for spreding the word and their feedback. To be continued (hopefully).
The documents are licensed by CC BY-SA 2.5. For more details, please see This licnese page.
Any idea and feedback to make this a better navigation for the documentation is very welcome. Please use the feedback forum.
This project is open source and hosted at Github: http://github.com/tokuhirom/jsref. Feel free to implement or extend the features you want. Just send a fork request, if your code changes makes the site better I am happy to deploy it and give you credit.