$ sudo npm install xss
$ sudo npm install -g xss

If want to update the xss package execute the command as below,

$ sudo npm update xss

Update package globally,

$ npm install -g xss

Git clone:

$ sudo  git clone https://github.com/rektide/xss.git

$ sudo  npm install -g ./xss

xss@0.3.4 /usr/lib/node_modules/xss

How to remove xss package :

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

$ sudo npm uninstall xss

Basic Information of xss NPM Package: