libjs-mousetrap software package provides library for handling keyboard shortcuts in Javascript, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libjs-mousetrap
libjs-mousetrap is installed in your system.
Make ensure the libjs-mousetrap package were installed using the commands given below,
$ sudo dpkg-query -l | grep libjs-mousetrap *
You will get with libjs-mousetrap package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Ruby |
| Package | libjs-mousetrap |
| Version | 1.5.3+dfsg2-1 |
| Description | library for handling keyboard shortcuts in Javascript |
| Sub Section | Ruby |