$ sudo apt-get update
$ sudo apt-get install libjs-jscommunicator 

libjs-jscommunicator is installed in your system.

Make ensure the libjs-jscommunicator package were installed using the commands given below,

$ sudo dpkg-query -l | grep libjs-jscommunicator *

You will get with libjs-jscommunicator package name, version, architecture and description in a table

libjs-jscommunicator package basic information: