JavaScript Developer Interview Questions For 5 Years Experienced

JavaScript Interview Questions For Experienced

1. What are the design patterns in JavaScript ?
2. What is event loop in JavaScript ?
3. How to deep clone in JavaScript ?
4. How to flatten an array in JavaScript ?
5. What is debounce in JavaScript ?
6. Write a code to flatten the contents of an object ?
7. How to create virtual dom in JavaScript ?
8. What is critical rendering path ?
9. What is a freeze method in JavaScript ?
10. What are solid principles in JavaScript ?
11. What is the seal method in JavaScript ?
12. Difference between Angular and React ?
13. How to watch variable changes in JavaScript ?
14. How to create a change detection mechanism of JavaScript framework ?
15. What is functional programming in JavaScript ?
16. What is quick sort and what is it’s time complexity ?
17. Explain bubble sort and insertion sort with example ?
18. What is a REST API ?
19. How to apply conditional breakpoints in chrome browser debugging tool ?
20. Why storing JWT in cookie is safer than storing JWT in session storage or local storage? Is storing in cookie 100 percent safe ? what if I copy JWT from cookie in the browser debug panel and use it in a CSRF attack ?
21. What is an execution context and lexical environment in JavaScript ?
22. What is generator function in JavaScript ?

Source: JavaScript Interview Questions For 5 Years Of Experience

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