🌐browser

🚧 施工中

(an JS environment) an application program that provides a way to look at and interact with all the information on the web.

⭐️ 重點

the global object in browser environment is window.

• the browser exposes its own built-ins in the global scope：

  • console

  • DOM： window, document, ...

  • timers：setTimeout(..), ...

  • web API：navigator, history, geolocation, WebRTC, ...

📗 You Don't Know JS yet

🔴 主題

• Event

• DOM

  • window - global object in browser environment.

• web API

• scope

📗 參考

• TechTarget ⟩ What is a Browser?

👥 相關

• CommonJS module system was created for server-side JavaScript (Node.js) and is not supported by default in browsers.

• ES modules are supported by browsers and servers, although you require a bit of configuration before using them.

🚧

• console

• timers