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JavaScriptコードメモ。

JavaScript

Last updated at 2023-02-01Posted at 2023-02-01

ランダムな数値を出す。

const numbers = [1, 2, 3, 4, 5];

for(let i = 5; i > 0; i--){
  const randomNum = Math.floor(Math.random() * i);
  let tmp = numbers[i - 1]; 
  numbers[i - 1] = numbers[randomNum]; 
  numbers[randomNum] = tmp;
}

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