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LevelUp! Games - Coffeescript keeps you awake

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Avatar for Luiz Freneda Luiz Freneda
June 18, 2015
Programming
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LevelUp! Games - Coffeescript keeps you awake

A coffescript introduction

Avatar for Luiz Freneda

Luiz Freneda

June 18, 2015
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Transcript

  1. None
  2. None
  3. None

  4. Coffeescript

  5. “A little language that compiles in Javascript” - coffeescript.org “A

    programming language that transcompiles to JavaScript” - Wikipedia

  6. “It's just Javascript!” - Jeremy Ashkenas

  7. So what?

  8. Anywhere you use Javascript..

  9. None

  10. JeremyAshkenas = [ "Underscore", "Backbone", "Coffeescript" ]

  11. Created in 2009 ~ but bOOOmm in 2011 !

  12. What’s so special about it? @w@

  13. The language adds syntactic sugar inspired by Ruby, Python and

    Haskell
  14. None

  15. Less NOISE no semicolons, no braces, no var, no function

    Coffeescript is a quieter Javascript :P

  16. Ship.prototype.right = function (move) { return this.keys.right = move; };

  17. right: (move) -> @keys.right = move

  18. Write LESS

  19. this

  20. “string #{interpolation}”

  21. Classes

  22. Statement Modifiers

  23. Operators is, isnt, in, on, off, unless

  24. Comprehensions foods = ['broccoli', 'spinach', 'chocolate'] eat food for food

    in foods when food isnt 'chocolate'
  25. None

  26. Compilated Javascript > Handed Javascript

  27. Learn Javascript with Coffeescript

  28. How to install?

  29. How it works?

  30. Can I write Javascript in a coffeescript file?

  31. Can I write inline Coffeescript instead inline Javascript?

  32. Let’s write coffeescript code.

  33. IMHO

  34. Want to learn?

  35. 1. Syntax 2. Code