$ sudo npm install is-integer
$ sudo npm install -g is-integer

If want to update the is-integer package execute the command as below,

$ sudo npm update is-integer

Update package globally,

$ npm install -g is-integer

Git clone:

$ sudo  git clone https://github.com/rektide/is-integer.git

$ sudo  npm install -g ./is-integer

is-integer@1.0.7 /usr/lib/node_modules/is-integer

How to remove is-integer package :

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

$ sudo npm uninstall is-integer

Basic Information of is-integer NPM Package: