Ise312 Ec Presentation Jquery
- 2. What is jQuery? In past JavaScript is used by developers for client side scripting, but now developers have several option to add the functionality of JavaScript by using other tool and libraries. jQuery is also one of the best libraries for adding javascript, ajax features in the application, although the same task can be performed through javascript but jQuery provide the readymade easy to use functions.
- 3. jQuery is very rich library of functions and methods which does the same task like JavaScript but the difference is that jQuery is easy too use and give too much flexibility to the developers. The jQuery can be used in web application irrespective of the language or technology, it can be used with PHP,asp,jsp,servlets,CGI and almost all the programming languages. The definition mentioned in jQuery official Web Site “jQuery is a fast and concise JavaScript Library that simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development. jQuery is designed to change the way that you write JavaScript”
- 4. Features of jQuery Here are the famous features of jQuery. -DOM element selections functions (DOM ->The Document Object Model (DOM) is a cross-platform and language-independent convention for representing and interacting with objects in HTML, XHTML and XML documents. Aspects of the DOM (such as its "Elements") may be addressed and manipulated within the syntax of the programming language in use. The public interface of a DOM is specified in its Application Programming Interface (API)) -DOM traversal and modification -Events -CSS(Cascading Style Sheets) manipulation -Effects and animations -Ajax -Extensibility -Utilities - such as browser version and the each function. -JavaScript Plugins As mentioned in the above features jQuery is used in web application to handle events, validation, adding effects and animation, client side processing and many more.
- 5. How much time is required to learn jQuery? jQuery is a piece of cake, its very easy to understand developers can learn it within a week but to explore its all functions and methods will take time. From Where I can get jQuery Library? The jQuery library is freely available on jQuery official web site (www.jquery.com). Detail documentation, tutorials are also available to learn about jQuery.
- 6. A Simple Overlay Example