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CoffeeScriptの小さなサンプルメモ

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console.log("Hello")

# 関数
myTest = (msg) ->
  console.log(msg)

myTest("hogehoge")

# 関数、戻り値あり
showTest = (msg) ->
  msg + "hogehoge" # return

console.log(showTest("---"))

# 連想配列
menu =
  coffee: 100
  cake: 200

console.log menu["coffee"]
console.log menu.cake

# クラス
class Test
  # コンストラクタ
  # 引数にそのまま @ をつけるとthisのプロパティとなる
  constructor: (param1, @param2) ->
    console.log("constructor")
    @param1 = param1 # @に入れることで、thisのプロパティとなる

  # メソッド
  tensu: ->
    console.log("misenai")

  # メソッド(引数)
  tensu2: (msg) ->
    console.log(msg)

  # 静的メソッド
  @seitekitensu: ->
    console.log("seiteki tensu")

  # 静的プロパティ
  @seitekivalue: "seitekivalue"

  show: ->
    console.log(@param1)
    console.log(@param2)

  show2: ->
    @show() # this.show()


test = new Test("param1", "param2")
test.tensu()
test.tensu2("222")
test.show()
test.show2()

Test.seitekitensu()
console.log Test.seitekivalue
実行結果
 % coffee hello.coffee 
Hello
hogehoge
---hogehoge
100
200
constructor
misenai
222
param1
param2
param1
param2
seiteki tensu
seitekivalue

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