Description: Building an Ajax based application does not require the developer to know a single we development language only. Besides JavaScript, developers have to master XML, PHP and other languages that are integrated with the website. Because of the combination of web languages, Ajax based applications are a lot more difficult to built. That is why web developers are turning to different frameworks since it could help them build Ajax based applications without the hassle of JavaScript. All they need to do is to be proficient with their language and adopt a framework built specifically to their expertise. With the use of the framework, the requirement for JavaScript can even be reduced to none.