Installing RxJS

RxJS is divided into modules. This way, you can create your own bundle with only the modules you're interested in. In this book, we will always use the official bundle with all the contents from RxJS; by doing so, we'll not have to worry about whether a certain module exists in our bundle or not. So, let's follow the steps described here to install RxJS.

To install it on your server, just run the following command inside a node project:

    npm i rx@4.1.0 -save

To add it to a HTML page, just paste the following code snippet inside your HTML:

<script src="https://cdnjs.cloudflare.com/ajax/libs/rxjs/4.1.0/rx.all.js"> 
</script> 

If you're running inside a node program, you need to have the RxJS library in each JavaScript file that you want to use. To do this, add the following line to the beginning of your JavaScript file:

var Rx = require('rx'); 

The preceding line will be omitted in all examples, as we expect you to have added it before testing the sample code.