Javascript - optimization recipes from the really cool Google guy

Recently, reading the number one site for front-end developers smashingmagazine.com found the amaizing article from the Addy Osmani Writing Fast, Memory-Efficient JavaScript. In article he collected numerous  recipes for JavaScript developers concerning the small optimizations and tools which can be useful to decrease memory footprints and speedup JS perfomance not only on V8 JavaScript engines (Chrome, NodeJS) which this article is mostly focused on.