Here are a couple of files to make working with the YUI in vim/gvim a little easier.
Currently the only supported methods are: YAHOO, YAHOO.util, YAHOO.util.Dom, YAHOO.util.Event, YAHOO.util.CustomEvent, YAHOO.util.Anim & YAHOO.Tools
Files
Install Instructions
I'm not going to give full instructions, because if you are using vim you should know where these files go 8-)
Place the javascript.vim file in the syntax directory. And place the javascriptcomplete.vim file in the autoload directory.
Enable Code Completion
In your .vimrc file place this line:
autocmd FileType javascript set omnifunc=javascriptcomplete#CompleteJS
Using Code Completion
From Insert mode, hit the following keys to use code completion.ctrl + X, ctrl + O
Screenshot
