CVV front-end interview arrangement

1. How to add event proxy to li in ul?
2. Do you understand the implementation of classes in ES6?
3. Talk about the understanding of the prototype chain.
4. How to implement class inheritance in ES6?
5. The difference between inheritance and prototypal inheritance in ES6
6. Event loop mechanism?
7. Is setTimeout a macro task or a micro task?
8. How to achieve an accurate timing
9. Do you understand the principle of vue? How did it happen?
10. Why use proxy?
11. What state management tools have you used?
12. Do you know what optimization schemes are there?
13. How to do long list pagination?
14. How to preload?
15. Have you used any front-end engineering tools? Tell me about the packaging process of webpack?
16. What is the difference between loader and plugin?
17. Talk about the implementation idea of ​​merge sort.

Partial answer analysis