$ sudo npm install tern
$ sudo npm install -g tern

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

$ sudo npm update tern

Update package globally,

$ npm install -g tern

Git clone:

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

$ sudo  npm install -g ./tern

tern@0.21.0 /usr/lib/node_modules/tern

How to remove tern package :

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

$ sudo npm uninstall tern

Basic Information of tern NPM Package: