What are the common tests for web front-end interviews?

Foreword:

In the current era, more and more companies and enterprises are constantly recruiting excellent Web front-end engineers. Web front-end engineers are indispensable talents in modern corporate website or App development. Therefore, in the recruitment process for this position, the Web front-end interview has become a very important part. So, what skills or knowledge are often tested in web front-end interviews? Next, let’s explain it in detail.

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1. Front-end basic knowledge

In the interview of a Web front-end engineer, basic knowledge is the most important part. Because only with a solid foundation can we achieve subsequent advancements. In this part of the interview, the following aspects may be covered:

• HTML and CSS basics
• JavaScript language features
• DOM and BOM
• HTTP protocol, etc.

2. Frameworks and libraries

In the Web front-end development process, frameworks and libraries are a very important part, and they are also examined in the Web front-end interview focus. The interviewer may ask about the following knowledge points:

• React.js
• Vue.js
• Angular.js
• jQuery

3. Front-end engineering

With the continuous development of front-end technology, the idea of ​​front-end engineering is increasingly accepted by the majority of front-end engineers. Engineering is a method for front-end teams to better collaborate on development. It is also an important inspection point during the interview. Here are some knowledge points you may be asked:

• webpack
• gulp
• grunt
• eslint
• babel

4. Front-end performance optimization

Web front-end performance optimization is also a very important part, which has a great impact on user experience and the quality of the website or App. You may be asked about the following knowledge points during the interview:

• Lazy loading of images
• Preloading mechanism
• Compress and merge files

5. Others

In addition to the above knowledge points, the interviewer may also examine some other skills or knowledge, such as:

• Browser compatibility Sex
• Cross-domain solution

Summary:

Many skills and knowledge may be tested in the Web front-end interview. We need to prepare carefully and integrate them into our daily work. Sort out the knowledge learned and consolidate it appropriately. The most important thing is to show your practical abilities and problem-solving methods during the interview, so that the interviewer can trust and recognize you.

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