React Js is better than angular JS. Because Angular and ReactJS are two of the most popular frameworks for online web application development. Angular JS is a structural framework for developing dynamic web apps, whereas React is a JavaScript library that allows you to build UI components. Angular JS is based on MVC (Model View Controller) whereas React is based on Virtual DOM.
Angular JS doesn’t provide adding JavaScript library to the source code while React allows adding JavaScript library to the source code. React JS is Java Script framework uses server-side rendering to provide a flexible, performance-oriented solution. And angular is a fully featured JavaScript framework that helps developing dynamic, single page web apps.