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jQuery Interview Questions and Answers

Ques 16. Do you have plans for a new jQuery plug-in or something else we should look out for? Where to from here for the imgPreview plugin?

Ans. I'm not sure, I'm largely unpredictable when it comes to jQuery; I'm still learning! If anyone has any requests feel free to forward me them! As for the imgPreview plugin I hope to keep it under constant development; any contributions or suggestions are welcomed!

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Ques 17. Explain the features of jQuery?
Ans. Features of jQuery are :

* Effects and animations
* Ajax
* Extensibility
* DOM element selections functions
* Events
* CSS manipulation
* Utilities - such as browser version and the each function.
* JavaScript Plugins
* DOM traversal and modification
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Ques 18. Explain the concepts of "$ function" in jQuery with an example?
Ans. 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() {}
});
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Ques 19. Why is jQuery better than JavaScript?
Ans. * 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.
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Ques 20. Explain how jQuery Works?
Ans. <html> <head> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript"> // You can write the code here </script> </head> <body> <a href="http://www.globalguideline.com/">Global GuideLine</a> </body> </html>
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