Skip to Content
Serverless Web Applications with React and Firebase
book

Serverless Web Applications with React and Firebase

by Mayur Tanna, Harmeet Singh
April 2018
Intermediate to advanced content levelIntermediate to advanced
284 pages
6h 43m
English
Packt Publishing
Content preview from Serverless Web Applications with React and Firebase

Using React

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> ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Building Web Applications with Firebase

Building Web Applications with Firebase

Gareth Brown
React Native in Action

React Native in Action

nader dabit, Nickie Buckner

Publisher Resources

ISBN: 9781788477413Supplemental Content