$ sudo npm install smoothscroll-polyfill
$ sudo npm install -g smoothscroll-polyfill

If want to update the smoothscroll-polyfill package execute the command as below,

$ sudo npm update smoothscroll-polyfill

Update package globally,

$ npm install -g smoothscroll-polyfill

Git clone:

$ sudo  git clone https://github.com/rektide/smoothscroll-polyfill.git

$ sudo  npm install -g ./smoothscroll-polyfill

smoothscroll-polyfill@0.4.0 /usr/lib/node_modules/smoothscroll-polyfill

How to remove smoothscroll-polyfill package :

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

$ sudo npm uninstall smoothscroll-polyfill

Basic Information of smoothscroll-polyfill NPM Package: