3 open-source Javascript libraries for developers

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Many web developers are familiar with the frustrations of building a front-end website/interface which is interactive and attractive. With these 3 awesome Javascript libraries, many complex UI features can be implemented with just a few lines of code
1) jQuery
jQuery is a powerful open-source Javascript library that can make your website much more dynamic. jQuery can also perform event handling as well as Ajax interactions. jQuery uses simple syntax to provide cool transitions for DOM elements on your website. Many effects like Accordion, Datepicker and Dialog boxes can be easily built using jQuery.
Another great thing about jQuery is that it's extremely lightweight, so it will not bog down your website's load times. The jQuery portal also provides many useful tutorials on how to get started using this powerful tool. You can download jQuery source from this link: http://jquery.com/.
 2) DoJo ToolKit 1.8
Dojo is a multi-browser Javascript library that offers some great widget customizations for your web projects. Form Widgets, such as Buttons and TextBox are available, as well as Layout widgets such as Accordion, Grids and Tabs. These widgets offer a new level of interaction with the user, as even the grids can be dragged and dropped with ease.
Various color themes can also be applied, so users can customize their experience. Dojo also offers a great mobile Javascript framework that can accelerate your mobile development projects. Any HTML5 web applications can be ported with Dojo to give a native look and feel to the website. Themes are offered so that the mobile web app can suit the look of the iOS or Android.

Dojo Toolkit can be downloaded at: http://dojotoolkit.org/download/.
3) YUI Library
YUI is an open-source Javscript library that helps to build rich, interactive websites. Like JQuery, YUI manipulates DOM elements to apply visual effects such as transition. Built by the engineers at Yahoo! in 2005, YUI was then released for public use. Using YUI is as easy as a,b,c,d ! Developers just have to include the line “" target="_blank">http://yui.yahooapis.com/3.6.0/build/yui/yui-min.js">>” in their HTML page, and they will be able to load any YUI components in the page.
YUI has an impressive community of users, and these resources are aggregated in the following page :http://yuilibrary.com/community/. YUI is a must-try for aspiring web developers and veterans alike. Download YUI Library at this link: http://yuilibrary.com/yui/quick-start/.

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