Although I had been reading in the library before, many problems were not known. However, there is still time, we must review, for the next interview to be able to respond freely.
1.js Native Event Registration function (Attachevent,addeventlistener)
PS: Should understand the native JS Dom operation
2. Regular expressions
3. Database additions and deletions to check the basic statement operation
New characteristics of 4.CSS3
5. Understanding of HTML5
6. Type of box model (ie and non IE)
7. Understanding of the Float property
8. Closure of the package
9. Prototype Chain
10. Prototype inheritance
11. Event bubbling
12. How to be compatible with various browsers (conditional annotation, hack, etc.)
13. Introduce yourself (this is actually the first and very important part)
Original link: http://bymax.daoapp.io/tcltong-xun-webqian-duan-dian-hua-mian-shi/