A front-end framework which can be called CSS framework. They are a file that contains re-written and standardized code. They give the foundation to develop while changing still goes on with the last design. There are different kinds of front-end framework which the developers use like Reacts.js, Angular, Angular.js, Vue.js, Ember, Backbone.
· It has updated and upgraded function.
· It is useful for applications that are frequently in use which results into high traffic.
· It is supported by Facebook.
· This framework is rapidly improving.
· It has a Document Object Model (DOM). It works with an authentic HTML, and it tells us how a document is changed and obtained.
The cons of React.js: is that it depends on other tools to create an upgraded application, and not well SEO optimized. But it benefits supersedes that of many other framework tools.