Name: Firefox command line javascript shell. Short Name: js-shell URL: http://ftp.mozilla.org/pub/firefox/candidates/54.0.1-candidates/build1/ Version: JavaScript-C54.0.1 Date: July 6, 2017 License: MPL, http://www.mozilla.org/MPL Description: This directory contains the firefox js-shell binaries for Windows, Mac and Linux. The binaries are used for testing dart code compiled to javascript.