This is what I like about CoffeeScript too. It wraps the module in a closure, so globals are opt-in. By default, the variable will be scoped to the generated mo

This is what I like about CoffeeScript too. It wraps the module in a closure, so globals are opt-in. By default, the variable will be scoped to the generated module, but you can simply attach it to the global namespace (window.foo=x in the case of a browser-side CS).