What are the differences between Angular and React?

I want to learn a front end framework and am considering either Angular or React. I would like to know the differences between the two in order to make a decision on which one to learn.

The two most popular front-end JavaScript frameworks are Angular and React. Both are open-source, free, and used by thousands of developers around the world. The main difference between Angular and React is that Angular is a complete framework, while React is a library. This means that with Angular, you get more built-in features and functionality out of the box, but with React, you have more flexibility to create your own custom solutions. Another difference is that Angular uses JavaScript, while React uses JavaScript with JSX, a syntax extension that allows you to write HTML directly in your JavaScript code. Finally, Angular is developed and maintained by Google, while React is developed and maintained by Facebook.