86 Latest jQuery interview questions and answers for freshers and experienced pdf

1.  What is jQuery?
2.  Why do we use jQuery?
3.  How JavaScript and jQuery are different?
4.  Is jQuery replacement of Java Script?
5.  Is jQuery a library for client scripting or server scripting?
6.  Does jQuery follow W3C recommendations?
7.  What is the basic need to start with jQuery?
8.  Which is the starting point of code execution in jQuery?
9.  What does dollar sign ($) means in jQuery?
10. Can we have multiple document.ready() function on the same page?
11. Can we use our own specific character in the place of $ sign in jQuery?
12. Is it possible to use other client side libraries like MooTools, Prototype along with jQuery?
13. What is jQuery.noConflict?
14. Is there any difference between body onload() and document.ready() function?
15. What is the difference between .js and .min.js?
16. Why there are two different version of jQuery library?
17. What is a CDN?
18. Which are the popular jQuery CDN? and what is the advantage of using CDN?
19. How to load jQuery from CDN?
20. How to load jQuery locally when CDN fails?
21. What are selectors in jQuery and how many types of selectors are there?
22. How do you select element by ID in jQuery?
23. What does $("div") will select?
24. How to select element having a particular class (".selected")?
25. What does $("div.parent") will select?
26. What are the fastest selectors in jQuery?
27. What are the slow selectors in jQuery?
28. How jQuery selectors are executed?
29. Which is fast document.getElementByID('txtName') or $('#txtName').?
30. Difference between $(this) and 'this' in jQuery?
31. How do you check if an element is empty?
32. How do you check if an element exists or not in jQuery?
33. What is the use of jquery .each() function?
34. What is the difference between jquery.size() and jquery.length?
35. What is the difference between $('div') and $('<div/>') in jQuery?
36. What is the difference between parent() and parents() methods in jQuery?
37. What is the difference between eq() and get() methods in jQuery?
38. How do you implement animation functionality?
39. How to disable jQuery animation?
40. How do you stop the currently-running animation?
41. What is the difference between .empty(), .remove() and .detach() methods in jQuery?
42. Explain .bind() vs .live() vs .delegate() vs .on()
43. What is wrong with this code line "$('#myid.3').text('blah blah!!!');"
44. How to create clone of any object using jQuery?
45. Does events are also copied when you clone any element in jQuery?
46. What is difference between prop and attr?
47. What is event.PreventDefault?
48. What is the difference between event.PreventDefault and event.stopPropagation?
49. What is the difference between event.PreventDefault and "return false"?
50. What is the difference between event.stopPropagation and event.stopImmediatePropagation?
51. How to check if number is numeric while using jQuery 1.7+?
52. How to check data type of any variable in jQuery?
53. How do you attach a event to element which should be executed only once?
54. Can you include multiple version of jQuery? If yes, then how they are executed?
55. In what situation you would use multiple version of jQuery and how would you include them? 
56. Is it possible to hold or delay document.ready execution for sometime?
57. What is chaining in jQuery?
58. How does caching helps and how to use caching in jQuery?
59. You get "jquery is not defined" or "$ is not defined" error. What could be the reason?
60. How to write browser specific code using jQuery?
61. Can we use jQuery to make ajax request?
62. What are various methods to make ajax request in jQuery?
63. Is there any advantage of using $.ajax() for ajax call against $.get() or $.post()?
64. What are deferred and promise object in jQuery?
65. Can we execute/run multiple Ajax request simultaneously in jQuery? If yes, then how?
66. Can you call C# code-behind method using jQuery? If yes,then how?
67. Which is the latest version of jQuery library?
68. Does jQuery 2.0 supports IE?
69. What are source maps in jQuery?
70. How to use migrate jQuery plugin?
71. Is it possible to get value of multiple CSS properties in single statement?
72. How do you stop the currently-running animation, remove all queued animations, and complete all animations for the matched elements?
73. What is finish method in jQuery?
74. What is the difference between calling stop(true,true) and finish method?
75. Consider a scenario where things can be done easily with javascript, would you still prefer jQuery?
76. Can we use protocol less URL while referencing jQuery from CDNs? 
77. What is the advantage of using protocol less URL while referencing jQuery from CDNs? 
78. What is jQuery plugin and what is the advantage of using plugin?
79. What is jQuery UI?
80. What is the difference between jQuery and jQuery UI?
81. How to use jQuery library in our ASP.Net project?
82. What is jQuery connect?
83. Explain the concepts of "$ function" in jQuery with an example?
84. How do you check or uncheck a checkbox input or radio button?
85. How to get the server response from an AJAX request using Jquery?
86. How do you update ajax response with id " resilts"?

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