JQuery Programmer Interview Preparation Guide Download PDF
JQuery Programmer Frequently Asked Questions in various JQuery Developer job Interviews by interviewer. The set of questions here ensures that you offer a perfect answer posed to you. So get preparation for your new job hunting
201 JQuery Programmer Questions and Answers:
1 :: Explain what is jQuery?
jQuery is a fast and concise JavaScript Library created by John Resig in 2006 with a nice motto - Write less, do more. jQuery simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development. jQuery is a JavaScript toolkit designed to simplify various tasks by writing less code.
jQuery is not a programming language but a well written JavaScript code. It is a JavaScript code, which do document traversing, event handling, Ajax interactions and Animations.
jQuery is not a programming language but a well written JavaScript code. It is a JavaScript code, which do document traversing, event handling, Ajax interactions and Animations.
2 :: In what scenarios jQuery can be used?
jQuery can be used in following scenarios:
☛ Apply CSS static or dynamic
☛ Calling functions on events
☛ Manipulation purpose
☛ Mainly for Animation effects
☛ Apply CSS static or dynamic
☛ Calling functions on events
☛ Manipulation purpose
☛ Mainly for Animation effects
3 :: Tell me what is jQuery connect?
A 'jQuery connect' is a plugin used to connect or bind a function with another function. Connect is used to execute function from any other function or plugin is executed.
4 :: How to use connect?
Connect can be used by downloading jQuery connect file from jQuery.com and then include that file in the HTML file. Use $.connect function to connect a function to another function.
5 :: What are the basic selectors in jQuery?
Following are the basic selectors in jQuery:
► Element ID
► CSS Name
► Tag Name
► DOM hierarchy
► Element ID
► CSS Name
► Tag Name
► DOM hierarchy
6 :: What is the use of jQuery load method?
jQuery load method is a powerful AJAX method which is used to load the data from a server and assign the data into the element without loading the page.
7 :: What is CDN?
CDN is abbreviated as Content Distribution network and it is said to be a group of companies in different location with network containing copies of data files to maximize bandwidth in accessing the data.
8 :: How can we debug jQuery?
There are two ways to debug jQuery:
Debugger keyword
► Add the debugger to the line from where we have to start debugging and then run Visual Studio in Debug mode with F5 function key.
► Insert a break point after attaching the process
Debugger keyword
► Add the debugger to the line from where we have to start debugging and then run Visual Studio in Debug mode with F5 function key.
► Insert a break point after attaching the process
9 :: What is the use of jQuery.data() method?
jQuery data method is used to associate data with DOM nodes and JavaScript objects. This method will make a code very concise and neat.
10 :: Why jQuery is better than JavaScript?
jQuery is a library used for developing Ajax application and it helps to write the code clean and concise. It also handles events, animation and Ajax support applications.