🌐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.

the global object in browser environment is window.

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

    • console

    • DOMwindow, document, ...

    • timerssetTimeout(..), ...

    • web APInavigator, history, geolocation, WebRTC, ...

📗 You Don't Know JS yet

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