What are the main components of the browser

Editor to share with you what are the main components of the browser, I believe that most people do not know much about it, so share this article for your reference, I hope you will learn a lot after reading this article. Let's learn about it!

What are the main components of the browser?

User interface: including address bar, forward / back / refresh / bookmark buttons

Browser engine: passing instructions between the user interface and the rendering engine

Rendering engine: used to draw the requested content

Network: used to make network calls, such as http requests, with platform-independent interfaces that can work on different platforms

JavaScript interpreter: used to parse and execute JavaScript code

User interface backend: used to draw basic widgets, such as combo boxes and windows, the underlying user interface using the operating system

Data storage: belongs to the persistence layer, the browser stores all kinds of data similar to cookie in the hard disk. HTML5 defines web database technology, which is a lightweight and complete client storage technology.

Note: unlike most browsers, each tab of the Chrome browser corresponds to an instance of the rendering engine. Each tab is a separate process.

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