$ sudo apt-get update
$ sudo apt-get install libjs-handlebars.runtime 

libjs-handlebars.runtime is installed in your system.

Make ensure the libjs-handlebars.runtime package were installed using the commands given below,

$ sudo dpkg-query -l | grep libjs-handlebars.runtime *

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

libjs-handlebars.runtime package basic information: