jQuery is a coding language, which works like JavaScript. This light weight JavaScript library is very easy to use and has features which helps you work in a better, quick and more efficient way. The best jQuery effects are its drop down menus, drag and drop elements, animations and form validation. You do not need to use Flash now for animation it can simply be done by jQuery now. jQuery is also connected with other coding language. You just need to download the package and install library scripts!!