V8 extras · V8

V8 implements a large subset of the JavaScript language’s built-in objects and functions in JavaScript itself. For example, you can see our promises implementation is written in JavaScript. Such built-ins are called self-hosted. These implementations are included in our startup snapshot so that new contexts can be quickly created without needing to setup and initialize the self-hosted built-ins at

[yosuke_furukawa]

JavaScriptのエンジンの外側でJavaScriptを拡張できる、これこそextensibleだなぁ

[efcl]

V8のJavaScriptでJavaScriptなどの機能を実装できる仕組みとV8 Extrasについて。 外部ファイルを指定することで内部に触るJavaScriptを読み込めせることができる。

[mysticatea]

これは素晴らしい