jquery interview questions and answer4

21 :: Explain the concepts of "$ function" in jQuery with an example?

The type of a function is "function".
There are a lot of anonymous functions is jquery.

$(document).ready(function() {});
$("a").click(function() {});

$.ajax({
url: "someurl.php",
success: function() {}
});

22 :: Why is jQuery better than JavaScript?

* jQuery is great library for developing ajax based application.
* It helps the programmers to keep code simple and concise and reusable.
* jQuery library simplifies the process of traversal of HTML DOM tree.
* jQuery can also handle events, perform animation, and add the Ajax support in web applications.

23 :: Explain how jQuery Works?

Global GuideLine

24 :: When can you use jQuery?

JQuery can be used to

apply CSS
call functions on events
traverse the documents
manipulation purpose and
to add effects too.

25 :: Advantages of jQuery.

The advantages of using jQuery are:

* JavaScript enhancement without the overhead of learning new syntax
* Ability to keep the code simple, clear, readable and reusable
* Eradication of the requirement of writing repetitious and complex loops and DOM scripting library calls