JavaScript is used by web developers to bring the desired functionality into the websites they make. For that, jQuery is said to be one of the best tools that offer flexibility and control to developers. jQuery is actually a JavaScript library that aids in regulating and simplifying communications between HTML and JavaScript. Below are some of the top benefits of jQuery that make it popular among the developers: It is extensively used. It promotes simplicity. Cross-browser compatible. Clean and beautiful syntax. It is Lightweight and lean. It has an Open-source library. Animations and cool effects. Highly extensible. Pages load faster. SEO-friendly. Utility features.