$ sudo npm install raf.js
$ sudo npm install -g raf.js

If want to update the raf.js package execute the command as below,

$ sudo npm update raf.js

Update package globally,

$ npm install -g raf.js

Git clone:

$ sudo  git clone https://github.com/rektide/raf.js.git

$ sudo  npm install -g ./raf.js

raf.js@0.0.4 /usr/lib/node_modules/raf.js

How to remove raf.js package :

You can uninstall or remove this package from your node_modules run the command as below,

$ sudo npm uninstall raf.js

Basic Information of raf.js NPM Package: