AngularJS is a popular JavaScript framework used to build dynamic and responsive web applications. It helps developers create single-page applications with faster performance and a clean code structure. Key features include two-way data binding, dependency injection, and reusable components. For learners seeking practical skills, AngularJS Training in Chennai at FITA Academy offers hands-on learning with expert guidance. Its benefits include faster development, easy maintenance, and improved user experience for modern web projects.