http://stackabuse.com/using-global-variables-in-node-js/
origin - http://www.pipiscrew.com/2017/06/using-global-variables-in-node-js/ using-global-variables-in-node-js
http://stackabuse.com/using-global-variables-in-node-js/
origin - http://www.pipiscrew.com/2017/06/using-global-variables-in-node-js/ using-global-variables-in-node-js