1. Please implement call apply bind by handwriting
2. Talk about the front-end performance optimization solutions you know
3. Implement an insertion sort
4. How to defend against XSS attacks?
5. Implement an add method to add two large numbers
6. Usage scenarios of margin and padding
7.Why does JavaScript need to perform variable promotion, and what problems does it cause?
8. How to obtain the properties on the non-prototype chain of an object?
9. What are the return values of || and && operators?
10.How TLS/SSL works
11. Let’s talk about SessionStorage, localStorage and cookies.
12.What is the difference between the Event Loop in Node and the one in the browser? process.nextTick execution order?
13. What is the difference between title and h1, b and strong, i and em?
14. It’s the same redirection, what’s the difference between 307, 303 and 302?
15. Concepts of processes and threads
16.How to solve the 1px problem?
17. The difference between progressive enhancement and graceful degradation
18. How to use webpack to optimize front-end performance?
19.What is the margin overlap problem? How to solve?
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My blog’s original text: How many front-end interview questions do you know at Dongdong?