Sharing front-end interview questions? How many can you get right?

Master said: If you open this website, you will find that every click will show interactive dynamic effects that you have not seen on previous websites, and the creator of these effects, That's right, it's our front-end engineer. The current popularity of HTML5 and WeChat mini programs has undoubtedly brought the front-end to a higher level. Okay, without further ado, let’s briefly talk about the interview test points of major Internet companies and see which questions you can answer? !

Ali School Recruitment:

1. How to implement monitoring css3 animation with js, specific to each Frame

2. How to deal with the compatibility issue of double margins

3. Briefly talk about CMD and AMD application scenarios, principles, differences

4. Closure principle, advantages

5.zepto, have you used seaJs?

6.Have you used react?

7. Briefly talk about two-way binding and dirty detection

8.http code, what happens after url is input

9.Do you know anything about the rendering layer?

10. Let’s talk about the jq source code, how to implement a custom event

11.es6 arrow function, promise

12.Have you ever used redux? Can you briefly explain it? What

13.hack

14. Briefly talk about the performance in css

Weimeng School Recruitment:

1.XXS briefly talk about how to prevent it?

2. I have read the jq source code and briefly talk about its implementation principle

3. Write a small ball ejection animation with speed

4. In-depth cookie security

5. Security encryption

6. Interface optimization (server, browser loading, page loading, code loading) ------For some parts, please refer to the web architecture perspective I wrote before Optimization

7.AMD, CMD difference

8. Regarding the difference between ng1 and 2, optimization

9.linux operating system, I will just briefly explain, my own Alibaba Cloud Server related configuration

10.node, briefly talk about the projects I have done on socket.io, the use of grunt and jshint

11. Briefly talk about the understanding of H5 and BOM For extensions, you can read the blog I wrote before about getting the longitude and latitude weather using H5

12. Cross-domain

##13.https, how to determine if your page is referenced by an iframe

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