🔰web worker

🚧 施工中

JS ⟩ browser ⟩ web API ⟩ web worker

(a JS environment) an extension on top of browser-JS behavior, which allows a JS file to run in a completely separate thread from the thread that's running the main JS program.

⭐️ 重點

Web Worker code

• does not have access to the DOM. (can't access window, for example)

• does not share the global scope with the main JS program.

Web Worker code do have access to the following web API：

• naviagtor

👥 相關

• web worker is a JS environment.

📗 參考

• YDKJS: Scope & Closures (v.2) ⟩ Ch. 4 ⟩ Web Worker

• MakeUseOf ⟩ An Introduction to JavaScript Web Workers

📘 手冊

• Web APIs ⟩ Worker

🚧

• navigator