Interview questions

Jquery interview questions

152 questions. Tap “Show answer” to check yourself.

  1. What is finish method in jQuery?

  2. What is the difference between calling stop(true,true) and finish method?

  3. Consider a scenario where things can be done easily with javascript, would you still prefer jQuery?

  4. How do you stop the currently-running animation, remove all queued animations, and complete all animations for the matched elements?

  5. Which is the latest version of jQuery library?

  6. Does jQuery 2.0 supports IE?

  7. What are source maps in jQuery?

  8. How to use migrate jQuery plugin?

  9. Is it possible to get value of multiple CSS properties in single statement?

  10. What are various methods to make ajax request in jQuery?

  11. Is there any advantage of using $.ajax() for ajax call against $.get() or $.post()?

  12. What are deferred and promise object in jQuery?

  13. Can we execute/run multiple Ajax request simultaneously in jQuery? If yes, then how?

  14. Can you call C# code-behind method using jQuery? If yes,then how?

  15. How to write browser specific code using jQuery?

  16. Can we use jQuery to make ajax request?

  17. How does caching helps and how to use caching in jQuery?

  18. You get "jquery is not defined" or "$ is not defined" error. What could be the reason?

  19. In what situation you would use multiple version of jQuery and how would you include them?

  20. Is it possible to hold or delay document.ready execution for sometime?

  21. How to check data type of any variable in jQuery?

  22. How do you attach a event to element which should be executed only once?

  23. Can you include multiple version of jQuery? If yes, then how they are executed?

  24. How to check if number is numeric while using jQuery 1.7+?

  25. What is event.PreventDefault?

  26. What is the difference between event.PreventDefault and event.stopPropagation?

  27. What is the difference between event.PreventDefault and "return false"?

  28. What is the difference between event.stopPropagation and event.stopImmediatePropagation?

  29. What is wrong with this code line "$('#myid.3').text('blah blah!!!');"

  30. How to create clone of any object using jQuery?

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