Javascript Interview Questions you might expect

If you want to through the interview for a Front-end or UI developer then you should know the below questions.

1. Tell about yourself.
2. Projects you have worked
3. How to debug javascript code.
4. Chrome Developer tools.
5. What is Closures ?
6. Strategies in Javascript ?
7. Difference b/w Object oriented Programming vs Prototype based Programming?
8. What's the usage of closures ?
9. What is closures ?
10. What is event bubbling ?
11. What is JavaScript Hoisting
12. Jquery transverse parent() vs parents vs parentuntil ?
13. In Json what’s the difference b/w dot notation and bracket notation
14. CSS sprites
15. Type of  data that you're expecting back from the server for Ajax calls.
16. Which one is faster ID or Class.
17. Position relative vs Position absolute.
18. Difference  b/w == and ===
19. Difference between null and undefined
20. Difference between Display: none and Visibility: hidden ?
21. Angular - How to pass values from one directive to other ?
22. Promises in angular ?
23. Bower search ?
24. Grunt server ?
25. How to create objects in javascripts ?
26. Jquery remove ?
27. How to select nth li ?
28. javascript code debug  a function { abc} problem
29. Position : fixed vs static vs absolute
30. CSS3 colors configuration
31. Diff b/w bind and on
32. What is event bubbling and event propagation
33. What is object chaining ?
34. What is the scope of this ?
35. What is jsonp ?
36. Quirks mode and standard mode ?
37. How to invoke javascript methods ?
38. What is this ?
39. How do u use ajax ?
40. What is closure ?
41. Difference b/w scopes vs rule scopes ?
42. CSS3 transitions
43. Background - gradient
44. Javascript inheritance ?
45. Closures in javascripts ?
46. Javascript hoisting ?
47. Promises in Javascript ?
48. Memory leaks in Javascript ?
49. How to create objects in javascripts ?
50. Angular directives ?