What does a web front-end engineer need to know?

As a Web front-end engineer, you need to master many technologies and tools, which will be analyzed step by step below.

HTML and CSS
HTML and CSS are the foundation of Web front-end development. HTML is used to describe the content and structure of web pages, while CSS is used to describe the presentation of documents. Mastering the use of HTML and CSS is crucial to the layout and display style of the entire web page.

JavaScript
JavaScript is the core technology of Web front-end development. It can realize the interactive function between users and the website, making the website more flexible and easier to use. Mastering JavaScript well can achieve many effects required by modern websites, such as dynamic information display, audio, video playback, responsive design, etc.

JavaScript Framework
Although JavaScript is the main language for the Web front-end, the use of frameworks can help development be more efficient. Mastering some mainstream JavaScript frameworks, such as jQuery, Vue.js and React, can greatly enhance the functionality of web development and make it more efficient.

Responsive Design
With the popularity of mobile devices, modern websites must have responsive design capabilities. This means the website can automatically adapt to different screen sizes, providing a great user experience on any device. Mastering responsive design technology can bring users a better access experience.

Performance Optimization
In Web front-end development, performance is a crucial issue. To make web pages run faster and load faster, you need to master some performance optimization techniques. For example, image optimization, code compression, resource caching, etc. These technologies can help better ensure website usability and user experience.

Version Control
Version control is an essential technology in large-scale projects. Mastering version control skills can make the project more standardized and stable. Common version control tools include git, SVN, etc.

Continuous learning and research of skills
Web front-end is a field that is constantly developing and updating. In order to keep up with the times, it is necessary to continuously learn new skills and new technologies. Continuous learning and research, and continuous self-improvement are very important.

Summary
Web front-end development requires mastering HTML, CSS, JavaScript, JavaScript framework, responsive design and other technologies, as well as version control and performance optimization. Continuous learning and continuous research are good habits that everyone should have.

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