jquery interview questions 

  1. Do we need to add the JQuery file both at the Master page and Content page as well ?
  2. What is CDN and how jQuery is related to it ?
  3. How do you check or uncheck a checkbox input or radio button?
  4. How you will use Jquery means requirement needed for using jquery?
  5. what the use of $ symbol in Jquery?
  6.  How do you select an item using css class or ID and get the value by use of jquery?
  7.  How to get the server response from an AJAX request using Jquery?
  8. What is difference between $(this) and ‘this’ in jQuery?

  9. What is the use of param() method.

  10. What is jQuery.holdReady() function?

  11. Explain .empty() vs .remove() vs .detach().

  12.  What is difference between $(this) and ‘this’ in jQuery?
  13. Advantages of jQuery
  14. Explain the features of jQuery.
  15. Explain the concepts of “$ function” in jQuery with an example.
  16. Why is jQuery better than javascript?
  17. Explain how jQuery Works.
  18. When can you use jQuery?
  19. What is jQuery Selectors? Give some examples.

  20. How can we give face effect in jQuery?

  21. Explain the animate function.

  22. What is .siblings() method in jQuery?

  23. Explain width() vs css(‘width’).

  24. What is the use of jQuery.data()?

  25. Explain bind() vs live() vs delegate() methods.

  26. What is jQuery Selectors? Give some examples.
     
  27. Explain the each() function.

  28. Explain slideToggle() effect.

  29. How to read, write and delete cookies in jQuery?
  30. Is window.onload is different from document.ready()?

  31. What is Chaining in jQuery?

  32. What is difference between sorting string array and sorting numerical array in jQuery?

  33. What is difference between prop and attr?

  34. How do you update ajax response with id ” resilts”?
  35.  What jQuery?
  36.  Is jQuery replacement of Java Script?
  37.  What is the basic need to start with jQuery?
  38.  What does dollar Sign ($) means in JQuery?
  39.  Is there any difference between body onload() function document.ready() function used in jQuery?
  40.  Can we have multiple document.ready() function on the same page?

  41.  Name some of the methods of JQuery used to provide effects?
  42.  What is JQuery UI?
  43. What are Events in jQuery?
  44. What are mouse events?
  45. What are Document/Window events?
  46. What is jQuery Syntax For Event Methods and give an example?

  47. Explain mousedown() method in jQuery?
  48. Explain mouseup() method in jQuery? 20.Explain hover() method in jQuery?
  49. What is difference between jQuery and Microsoft Ajax? When do you use Ajax and When do you use jQuery? What is the significance?
  50. What is jQuery Connect ? How to use jQuery Connect?

  51.  How to use length function in jQuery to text existance of an element by Id?
  52. What are the advantages of using jQuery over JavaScript in ASP.NET web application?
  53.  What is the use of Jquery min js file in ASP.NET web application?
  54. What is the advantages of use of document.ready functions in jQuery?
  55. How to write a callback function with arguments in Jquery?
  56. What is the use of event.preventDefault function in Jquery?.
  57. How to detect using java script if user is using iPad to access your application?
  58. How to create a button with Jquery Mobile?
  59. What is the use of data-role attribute of div in Jquery Mobile?
  60. What js and css file we need to reference while developing Jquery Mobile application?
  61. How can we check/uncheck an checkbox in jquery?
  62. How can we disable/enable an element in jquery?
  63. How do I test whether an element has a particular class?
  64. How can we apply css in div using jquery?
  65. Do I need to refer jQuery file both in Master page/base page/template page and content page ?
  66. What is the difference between jQuery-x.x.x.js and jQuery.x.x.x-min.js?
  67. How to always reference latest version of jQuery?
  68. What is resize() function in jQuery?
  69.  Is it good to load jquery from CDN(Content delivery network) ?
  70. How it affects the performance ?
  71. How do you get the text value of a selected option?
  72. Can a function that appears after parent function can execute before the callback function
  73. What is a callback function in Jquery?
  74. What is the use of param() method?
  75. What is jQuery.holdReady() function?
  76. Explain .empty() vs .remove() vs .detach().
  77. How to read, write and delete cookies in jQuery?
  78. Is window.onload is different from document.ready()?
  79. What is Chaining in jQuery?
  80. what is difference between sorting string array and sorting numerical array in jQuery?
  81. What is difference between prop and attr?
  82. How to always reference latest version of jQuery?
  83. What is resize() function in jQuery?
  84. How can we give face effect in jQuery?
  85.  Explain the animate function.
  86. What is .siblings() method in jQuery?
  87. Explain width() vs css(‘width’).
  88.  What is the use of jQuery.data()?
  89. Explain bind() vs live() vs delegate() methods.
  90. Explain the each() function.
  91.  Explain slideToggle() effect.
  92. How do You disable or enable a form element?
  93. What are the different type of selectors in Jquery?
  94. what are keyboard events?
  95. What are form events?
  96. Explain click() method in jQuery?
  97. Explain focus() method in jQuery?
  98. Explain dblclick() method in jQuery?
  99. Explain mouseenter() method in jQuery?
  100. Explain blur() method in jQuery?
  101. In what scenarios jQuery can be used?
  102. What is the difference between jQuery find and children methods?
  103.  What is the advantage of using the minified version of JQuery rather than using the conventional one ?
  104. How to use jQuery in ASP.NET web application?
  105. What is difference between attribute value and property value in HTML?
  106. What is the use of data-role as listview in Jquery Mobile?
  107. Why to load jQuery file from CDN ?