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TypeScript で FizzBuzz

Last updated at Posted at 2017-05-21

TypeScript を使った FizzBuzz をお試しコーナーで書いた。

const writeln = (s: string): void => {
    document.writeln(s + "<br>");
};

for (let i: number = 1; i <= 100; i++) {
  if (i % 3 == 0 && i % 5 == 0) {
    writeln("FizzBuzz");
  } else if (i % 5 == 0) {
    writeln("Buzz");
  } else if (i % 3 == 0) {
    writeln("Fizz");
  } else {
    writeln(i.toString());
  }
}

学んだこと

  • const で値の束縛 (Scala の val)
  • let は変数宣言 (Scala の var)

TypeScript は型推論があり、現代的でいい感じ。

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