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The browser’s main components are:
The user interface: this includes the address bar, back/forward button, bookmarking menu, etc. Every part of the browser is displayed except the window where you see the requested page.
The browser engine marshals actions between the UI and the rendering engine.
The rendering engine is responsible for displaying the requested content. For example, if the requested content is HTML, the rendering engine parses HTML and CSS and displays the parsed content on the screen.
Networking: for network calls such as HTTP requests, using different implementations for different platforms behind a platform-independent interface.
UI backend: used for drawing basic widgets like combo boxes and windows. This backend exposes a generic interface that is not platform-specific. Underneath, it uses operating system user interface methods.
JavaScript interpreter. Used to parse and execute JavaScript code.
Data storage. This is a persistence layer. The browser may need to save all sorts of data locally, such as cookies. Browsers also support storage mechanisms such as localStorage, IndexedDB, WebSQL, and FileSystem.
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date : 2024-05-18 03:37:38
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