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Tuesday, October 28, 2014

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 ?

Sunday, July 27, 2014

warning: Insecure world writable dir /usr/bin in PATH, mode 040777

If you find this error on your Linux or Ubuntu machines, then you  will need to have root access to do this. If you aren't already the administrative user, login as the administrator. Then use 'sudo' to change the permissions:

sudo chmod go-w /usr/local/bin

Saturday, April 5, 2014

CSS pointer-events

CSS property pointer-events allows authors to control under what circumstances (if any) a particular graphic element can become the target of mouse events including CSS hover/active states, click/tap events in JavaScript.

pointer-events property takes eleven possible values.
pointer-events:  auto | none | visiblePainted | visibleFill | visibleStroke | visible | painted | fill | stroke | all | inherit


EX : .className{
pointer-events: none;
}


View Demo


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