JavaScript framework is an application framework of JavaScript to build web applications or websites. JavaScript frameworks define the entire application design. Javascript libraries offer functions that can be called by its parent code.
Some of the popular JavaScript Frameworks are Angular JS, React JS, Ember.js, Vue.js, and Meteor.js.
You can enroll in this React Js Certification Course by Intellipaat to learn React Js.
Also, you can watch this video on the top 10 JavaScript frameworks: