Those aren't techniques, that's a list of 75 scripts, some of which are full-on applications (AjaxIM). And what on earth is the point of using JavaScript to make, of all things, CSS sprites? Those were meant to be a substitute for JavaScript image replacement in the first place, and to reduce page load times.
ironic that you're critiquing the use of javascript for css sprites when the article was written by one of the guys that coined the term and mainstreamed the technique.
edit: but yes, its a post designed for cut-n-paste coders.
Dave Shea's article on sprites is a great extension on the original method. If you want simple spirtes, CSS works fine, but he is just making it a bit sexier.
My favorite is the GMail technique. I use it to read my email every day.
OOps! The following comment was in the wrong thread...
Was meant for "THIS is the page that made doing OOP in Javascript click for me"
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Wow, that really is an incisive article! I've been hacking AS2 + 3 for the last 7 years after being a proper JS head for the previous 4, this makes me want to get back and hacksome JS for fun again!