https://github.com/sleepyfox/coffeescript-koans
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Nodejs
$ sudo apt-get install nodejs
$ sudo apt-get install nodejs-dev
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npm (the Node Package Manager)
$ npm install -g coffee-script
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Watchr
$ gem install watchr
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xdotool (used by browser_reloader.sh)
$ sudo apt-get install xdotool
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Nodejs
$ brew install node
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npm (the Node Package Manager)
$ sudo npm install -g coffee-script
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Watchr
$ gem install watchr
Open KoansRunner.html in Chrome or Firefox
Run $ watchr koans-linux.watchr
or $ watchr koans-mac.watchr
for MacOS.
Edit koans/AboutExpects.coffee
Watch what happens in your browser.