Created
August 9, 2012 10:44
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JSでFizzBuzz。剰余と一切の条件分岐を無くしたよ。さらに、元々ループと再帰はなかったけど、反復メソッドも(見かけ上)なくしたよ。
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| fizzArray = []; | |
| buzzArray = []; | |
| new Array(101).join('a').replace(/a/g,function(n,i){ | |
| fizzArray = fizzArray.concat(['','','Fizz']); | |
| buzzArray = buzzArray.concat(['','','','','Buzz']); | |
| var result = (fizzArray[i]+buzzArray[i]).replace(/^$/,i + 1); | |
| return result + '\n'; | |
| }); |
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短くしたがString#replaceに正規表現と関数を渡した場合の動作が実質反復メソッドだと示しているだけかも