$ sudo npm install ua-parser
$ sudo npm install -g ua-parser

If want to update the ua-parser package execute the command as below,

$ sudo npm update ua-parser

Update package globally,

$ npm install -g ua-parser

Git clone:

$ sudo  git clone https://github.com/rektide/ua-parser.git

$ sudo  npm install -g ./ua-parser

ua-parser@0.3.5 /usr/lib/node_modules/ua-parser

How to remove ua-parser package :

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

$ sudo npm uninstall ua-parser

Basic Information of ua-parser NPM Package: