What are the interview questions at the front end of Web?

This article mainly introduces "what interview questions are there in the front end of Web". In the daily operation, I believe that many people have doubts about what interview questions there are in the front end of Web. The editor consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful to answer the questions of "what interview questions are in the front end of Web?" Next, please follow the editor to study!

HTML correlation

1. The definition and usage of the label.

two。 What are block-level elements and inline elements?

3. Do you really know HTML? Yahoo interview questions to the front of the yellow bottom to search to know (once in a wave company interview was asked, it is really a very good question).

CSS correlation

1. Introduce the CSS hack skills you know (such as: _, *, +,\ 9,! important, etc.).

two。 This paper introduces the CSS box model.

3. What is CSS cascading? Introduce me.

4. All know what CSS browser compatibility issues are.

5. Sometimes they are asked tricky questions, such as what are the position values and what are the new contents of CSS3.

Basic relevance of JavaScript

1. What are the status messages of the HTTP protocol? (for example, descriptions corresponding to 200,302)

2. What is AJAX? The interaction model (process) of AJAX? What is the cross-domain solution for AJAX?

3. What's the difference between synchronous and asynchronous?

4. Brief introduction of JavaScript package.

5. Describe the two forms of JavaScript inheritance.

6. What is a closure? Click the following code

What will be output? Why? If you can make it clear, continue to ask how many solutions you can come up with.

Closure demonstration p {background:gold;} function init () {var pAry = document.getElementsByTagName ("p"); for (var iTuno; I