I don't know about the alternatives, but CoffeeScript often expands to twice the lines of code to JavaScript, without comments and longer lines. Not having to

I don't know about the alternatives, but CoffeeScript often expands to twice the lines of code to JavaScript, without comments and longer lines. Not having to track braces, optional parenthesis, not having to type 'function' and others quickly add up. The result is very elegant and clean code. Having less code also means its quicker to identify bugs.