CoffeeScript

Transcript

1. None
2. None

3. "It's just JavaScript" coated with syntax sugar

4. CoffeeScript attempts to expose those 'good parts' Did you notice?

5. #nuffsaid it's quite thin

6. But its core is gooooood

7. CoffeeScript attempts to expose those 'good parts' CoffeeScript exposes those

   'good parts'

8. CoffeeScript attempts to expose those 'good parts'

9. Ruby Python Haskell

10. # prototyping String::downCase = -> @toLowerCase() # functions, chained comparison

    isMyAge = (age) -> 24 < age < 26 # splat arguments, pattern matching unCapitalize = (words...) -> (words.map ([firstChar, rest...]) -> firstChar.downCase() + rest.join '').join '' # destructuring assignment, function binding Me = ([surname, middlenames..., lastname] ) -> # string interpolation @name = "#{surname} #{lastname}" # everything is an expression @age = if isMyAge(x = 25) then x else '?' @twitter = unCapitalize('@', surname, lastname) # use jQuery (or any JavaScript library), multi line Strings $('#welcome').bind 'click' (event) => alert "Hello, I'm #{@name}!" # there's no var!! me = Me("Jeroen Matthijs Rosenberg".split ' ')

11. #nuffsaid

12. word.spread! for people in continents[..] when people isnt aware