We didn’t want to leave front-end developers in the dark when their Javascript throws errors, so we’ve added a Hoptoad notifier for Javascript!
Run your Jasmine specs without a browser
The Holy Grail of testing for front-end development; execute browser-less, console-based, javascript + DOM code right from within your Rails test suite.
Johnson wraps JavaScript in a loving Ruby embrace. It embeds the Mozilla SpiderMonkey JavaScript runtime as a C extension.
RubySpec is a project to write a complete, executable specification for the Ruby programming language.