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I really want to try CoffeeScript out but am fairly comfortable with developing with plain JS (I say that now at least). One thing that would make me likely to jump in right now is if it will make development faster, caring less about the beauty of the code (Going from PHP to CS could be too jarring). Has it been your experience that it's more 'accelerated'?

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Yes, that's why I picked the title. In my experience, I quickly became more productive in CoffeeScript than I ever had been in JavaScript. That the code is prettier and more readable is great, but you can also just churn out more code faster, because it takes fewer characters—and fewer brain cycles—to accomplish common tasks. The most obvious example is that you only have to do `-> ...` to create a new function, rather than `function(){...}`. But there are many others.

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