What does a front-end engineer mainly do?

The main responsibilities of front-end engineers include web development, interaction design, front-end logic development, responsive design, performance optimization, docking with back-end, browser compatibility, version control and collaboration, and tracking new technologies. Front-end engineers work to create web pages that provide a good user experience and excellent performance.

Front-end engineers are mainly responsible for developing the user interface of web applications and the parts that interact with users. The following are the main work contents of front-end engineers:

1. Web development: Responsible for developing the structure, layout and style of web pages, using HTML, CSS and other technologies to achieve page design and layout.

2. Interaction design: Design the interactive effects of web pages, including the implementation of user interaction elements such as buttons, forms, and navigation.

3. Front-end logic development: Use JavaScript and other technologies to implement front-end interactive logic, including dynamic effects of the page, data acquisition and processing, etc.

4. Front-end framework and library application: Proficient in and applying commonly used front-end frameworks and libraries, such as React, Angular, Vue, etc., to speed up development efficiency and improve user experience.

5. Responsive design: Develop responsive web pages that support different devices and screen sizes to ensure good display effects on various devices.

6. Performance Optimization: Optimize front-end code and resources, improve web page loading speed and performance, and enhance user experience.

7. Connect with the back-end: Cooperate with the back-end engineer to connect the back-end interface to realize the interaction and communication of front-end and back-end data.

8. Browser compatibility: Ensure the compatibility of web pages on different browsers and platforms, and ensure that users can access and use web pages normally.

9. Version control and collaboration: Use version control tools such as Git for code management and collaborate with team members for development.

10. Track new technologies: Track the latest developments in front-end technology, learn and apply new front-end technologies, and continuously improve your own technical level.

Generally speaking, the main job of a front-end engineer is to develop the user interface and user interaction part of a web application to ensure that the web page has a good user experience and good performance.

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