Important jQuery Interview questions

Some of the most important jQuery interview question as follows

1)Why we go for jquery?
The jQuery library is providing many easy to use function and methods to make rich application.
This function are very easy to learn and use so that jquery is very popular and in high deman among developers.
JQuery is javascript and can be used with Servlets,ASP,CGI,PHP,JSP and almost all the web languages.

2)What are the features of jQuery

1)Events
2)Ajax
3)Extensibility
4)Javascript plugins
5)Effects and animations
6)Dom Traveral and modification
7)Dom Element selection functions




3)What are the jQuery Selectors?
Selectors are used to find our DOM elements in jquery. Selectors can find the elements via
CSS,Element name ,ID and hierarchical position of the element.

4)What does $("div")will select?
This will select all div element in web page.

5)What does $("div.parent") will select?
This will select all div element with parent class.

6)What is the name of jQuery method used for an asynchronous HTTP request?
jQuery.ajax();
7)Is jQuery a library for client scripting or server scripting?
jQuery is a client scripting.

8)Is jQuery a W3C standard?
No
7)The jQuery html() method works for both HTML and XML documents?
It only works for html.

9)Which sign does jQuery use as a shortcut for jQuery?
dollar sign.

10)Where to download jQuery from?
This can be download from jquery official website http://www.juqery.com/

11)Do I need to refer jQuery file both in Master page/base page/template page and content page
No