Let's make the web faster - Google Code

Optimizing JavaScript code Authors: Gregory Baker, Software Engineer on GMail & Erik Arvidsson, Software Engineer on Google Chrome Recommended experience: Working knowledge of JavaScript Client-side scripting can make your application dynamic and active, but the browser's interpretation of this code can itself introduce inefficiencies, and the performance of different constructs varies from client

[wacky]

Google Chrome開発者によるJavaScriptコード最適化・高速化のノウハウ集。文字列結合、オブジェクト定義、クロージャの欠点、メモリリークの注意など。（→ 日本語訳： http://d.hatena.ne.jp/tohokuaiki/20090630/1246351679 ）

[choubei]

Optimizing JavaScript code

[macky1207]

はやくする

[sayzi]

JSを最適化するTips