$ sudo npm install underscore-ext
$ sudo npm install -g underscore-ext

If want to update the underscore-ext package execute the command as below,

$ sudo npm update underscore-ext

Update package globally,

$ npm install -g underscore-ext

Git clone:

$ sudo  git clone https://github.com/rektide/underscore-ext.git

$ sudo  npm install -g ./underscore-ext

underscore-ext@0.2.0 /usr/lib/node_modules/underscore-ext

How to remove underscore-ext package :

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

$ sudo npm uninstall underscore-ext

Basic Information of underscore-ext NPM Package: