JavaScript Developer Interview Questions For 5 Years Experience

JavaScript Developer Interview Questions For 5 Years Experience

  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 ?

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