April 2018
Intermediate to advanced
284 pages
6h 43m
English
So now that we've got the ReactJS from where we've initialized our app, let's start writing our first Hello World app using ReactDOM.render(). The first argument of the ReactDOM.render method is the component, which we want to render, and the second is the DOM node to which it should mount (append). Observe the following code:
ReactDOM.render( ReactElement element, DOMElement container,[function callback] )
We need to translate it to vanilla JavaScript because all browsers don't support the JSX and ES6 features. For this, we need to use transpiler Babel, which will compile the JSX to vanilla JavaScript before the React code runs. Add the following library in the head section along with React libraries:
<script src="https://unpkg.com/babel-standalone@6.15.0/babel.min.js"></script> ...