jquery interview questions and answer1

What are the different type of selectors in Jquery? There are 3 types of selectors in Jquery 1. CSS Selector 2. XPath Selector 3. Custom Selector

JQuery is replacement of Java Script? NOTE: This is objective type question, Please click question title for correct answer.

Name some of the methods of JQuery used to provide effects? Some of the common methods are : 1. Show() 2. Hide() 3. Toggle() 4. FadeIn() 5. FadeOut()

What are features of JQuery or what can be done using JQuery? Features of Jquery 1. One can easily provide effects and can do animations. 2. Applying / Changing CSS. 3. Cool plugins. 4. Ajax support 5. DOM selection events 6. Event Handling

What is JQuery UI? JQuery UI is a library which is built on top of JQuery library. JQuery UI comes with cool widgets, effects and interaction mechanism. See below page on this site. Date Picker control used in this page to select date is an example of JQuery UI. http://www.dotnetfunda.com/misc/topperformers.aspx Thanks

What are the steps you need to follow to use jQuery in ASP.Net project? It's really simple. One just need to add reference of javascript file(.js). Go to Jquery.com and download the latest version of jQuery. When download is completed, there is a "jQuery-1.3.2.js" in the folder. Include this file and you good to go now for JQuery. Note : 1.3.2 denotes the library version.. It can be vary depending upon the version of Jquery you download.

How is body onload() function is different from document.ready() function used in jQuery? Document.ready() function is different from body onload() function because off 2 reasons. 1. We can have more than one document.ready() function in a page where we can have only one onload function. 2. Document.ready() function is called as soon as DOM is loaded where body.onload() function is called when everything gets loaded on the page that includes DOM, images and all associated resources of the page.

What does dollar Sign ($) means in JQuery? Dollar Sign is nothing but it's an alias for JQuery. Take a look at below jQuery code $(document).ready(function(){ }); Over here $ sign can be replaced with "jQuery " keyword. jQuery(document).ready(function(){ });

What is Jquery? JQuery is Java Script library or Java Script Framework which helps in how to traverse HTML documents, do some cool animations, and add Ajax interaction to any web page. It mainly helps programmer to reduce lines of code as huge code written in Java Script, can be done easily with JQuery in few lines.