If somebody wants to learn the best CSS frameworks check it out. Top 5 CSS frameworks
ReactJS is easy and non-complex nature of the learning curve. It provides a quick and comfortable environment without any complexities. It’s architecture extremely simple and easy to understand. It allows working as view in Model-View-Controller (MVC). React also supports server-side rendering using NodeJS and its good for SEO.
Companies, they use react. Facebook, Netflix, Khan Academy, Uber and many more.
It used by the Adobe, Namecheap, Upwork, Apple etc.
3- AngularJS / Angular
Developers can get a quick start of the app by the CLI (command line). It makes the process is fast and quick, but Its learning curve is a little bit tough compared to react, vue. Using angular we can create a progressive web app, mobile native apps with the strategies of Nativescript, Iconic, Cordova. It also has many built-in features like routes management, state management, HTTP client, dynamic animations, reactive forms but we can also add more features to make the development process more convenient and scalable by these libraries and tools.
Angular used by the Forbes, Microsoft, Google, Youtube etc