JQuery makes HTML document interactive, animating, event handling, and Ajax interactions for effective web development.
It’s easy to select elements, traverse them and modify by browser open source. The jQuery offers an elegant way to capture a wide variety of events, such as a user clicking on a link, without the need to clutter the HTML code itself with event handlers. Helps to make responsive and feature full site using AJAX technology. It is a very light weighted library and also has cross-browser support, supports IE 6.0+, chrome, and Opera 9.0+.