Androidのwebブラウザ(コンポーネント)ではWeb Workersが使えない

……という、ただのメモ。

• Issue 10004 - android - Web Worker isn't worked on Froyo, but it is worked on Eclair - Android - An Open Handset Alliance Project - Google Project Hosting
• javascript - Why was HTML5 Web Workers support removed from the Android browser in versions 2.2 and up? - Stack Overflow

Disable workers

This is because V8 on Android does not have the required locking.
Also disables channel messaging, which is used only with workers.

2.1以前では使えたけど、実装に問題が有ったので無効化したよ!ってかんじかな(あまり詳しく追いかけていない)。When can I use Web Workers?に拠ると、4.0でも対応してないようだ。

マジかー。使おうと思ってたんだけどなー……