http://www.gtalbot.org/BrowserBugsSection/

Danny goodman's quickref/cheat:

http://www.dannyg.com/dl/JSB6RefBooklet.pdf

mozilla's JS 1.5 ref

http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Gui...

jscript / IE deviation from ES 3

http://blogs.msdn.com/jscript/archive/2007/10/29/ecmascript-...

browser testing

http://www.456bereastreet.com/archive/200702/browser_testing...

browser market share

http://www.w3counter.com/globalstats.php http://www.w3schools.com/browsers/browsers_stats.asp http://en.wikipedia.org/wiki/Usage_share_of_web_browsers http://ejohn.org/blog/will-memory-leaks-matter-in-2009/