$ sudo npm install phantomjs-polyfill
$ sudo npm install -g phantomjs-polyfill

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

$ sudo npm update phantomjs-polyfill

Update package globally,

$ npm install -g phantomjs-polyfill

Git clone:

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

$ sudo  npm install -g ./phantomjs-polyfill

phantomjs-polyfill@0.0.2 /usr/lib/node_modules/phantomjs-polyfill

How to remove phantomjs-polyfill package :

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

$ sudo npm uninstall phantomjs-polyfill

Basic Information of phantomjs-polyfill NPM Package: