What is “rhino” Package?

JavaScript engine
For more details: https://www.mozilla.org/rhino/

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install rhino.

  brew install rhino

Now, use rhino!