Let's make the web faster - Google Code

Speeding up JavaScript: Working with the DOM Author: KeeKim Heng, Google Web Developer When working with Rich Internet Applications, we write JavaScript that updates the page by changing elements or adding new ones. This is done by working with the DOM, or Document Object Model, and how we do this can affect the speed of our applications. Working with the DOM can cause browser reflow, which is the

[hysa]

高速化のTIPS。「styleの設定にはclassName使う、ノードのプロパティを変更するときは一旦DOMから外して変更後に元に戻す、DOMへの追加は最後にする、documentFragment使う」など。

[efcl]

DOM操作でより高速にするためのTips