libgjs-dev software package provides Mozilla-based javascript bindings for the GNOME platform, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libgjs-dev
libgjs-dev is installed in your system.
Make ensure the libgjs-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libgjs-dev *
You will get with libgjs-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | libgjs-dev |
| Version | 1.39.91-0ubuntu1 |
| Description | Mozilla-based javascript bindings for the GNOME platform |
| Sub Section | libdevel |