$ sudo npm install xlsx
$ sudo npm install -g xlsx

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

$ sudo npm update xlsx

Update package globally,

$ npm install -g xlsx

Git clone:

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

$ sudo  npm install -g ./xlsx

xlsx@0.11.10 /usr/lib/node_modules/xlsx

How to remove xlsx package :

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

$ sudo npm uninstall xlsx

Basic Information of xlsx NPM Package: