CoffeeScript
CoffeeScript is a little language that compiles into JavaScript. Underneath that awkward Java-esque patina, JavaScript has always had a gorgeous heart. CoffeeScript is an attempt to expose the good parts of JavaScript in a simple way. The golden rule of CoffeeScript is: “It’s just JavaScript.†The code compiles one-to-one into the equivalent JS, and there is no interpretation at runtime. You can u
The Little Book on CoffeeScript
The Little Book on CoffeeScript
CoffeeScript - Wikipedia
CoffeeScript ã¯ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã®ã²ã¨ã¤ã§ã‚る。コードã¯JavaScript ã®ã‚³ãƒ¼ãƒ‰ã«å¤‰æ›ã•ã‚Œã‚‹ã€‚ Ruby ã‚„ Pythonã€Haskell [1] ã‹ã‚‰å½±éŸ¿ã‚’å—ã‘ãŸã‚·ãƒ³ã‚¿ãƒƒã‚¯ã‚¹ã‚·ãƒ¥ã‚¬ãƒ¼ã®å°Žå…¥ã«ã‚ˆã‚Šã€JavaScript ã«æ¯”ã¹ç°¡æ½”ã•ã¨å¯èªæ€§ã‚’å‘上ã•ã›ãŸã»ã‹ã€é…列内包 (Array comprehensions) やパターンマッãƒãƒ³ã‚°ã¨ã„ã£ãŸæ©Ÿèƒ½ã‚’è¿½åŠ ã—ã¦ã„る。 CoffeeScript ã«ã‚ˆã‚Šã€ãƒ‘フォーマンスを下ã’ã‚‹ã“ã¨ãªãã€ã‚ˆã‚ŠçŸã„コードã§ãƒ—ãƒã‚°ãƒ©ãƒ を記述ã™ã‚‹ã“ã¨ãŒã§ãã‚‹ (JavaScript ã«æ¯”ã¹ 1/3 程度ã®è¡Œæ•°ãŒå‰Šæ¸›ã§ãã‚‹)[2]。 2011å¹´3月16æ—¥ã‹ã‚‰ä¸€æ™‚ã€CoffeeScript 㯠GitHub ã§ã‚‚ã£ã¨ã‚‚ウォッãƒã•ã‚Œã¦ã„るプãƒã‚¸ã‚§ã‚¯ãƒˆã§ã‚ã£ãŸ[3]。 ã“ã®è¨€èªžã¯ Ruby コミュニティã«ã‚ˆãå—ã‘入れられã¦ãŠã‚Šã€(Ruby on Rails 開発
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