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【JavaScript】配列の値から平均値を計算する関数calc_aveを定義し、配列dataの平均値を表示するプログラムを作成せよ。

JavaScript

Last updated at 2021-05-08Posted at 2021-05-08

<!DOCTYPE html>
<html lang="ja">
<head>
    <meta charset="UTF-8">
    <title>課題</title>
</head>
<body>
  <script>
    var data = [59, 39, 100, 2, 15, 40, 84, 97];
    var ave; // 平均値 
    // 関数calc_aveを実行する
    function calc_ave() {
      var sum = 0; // 平均値
      for(var i = 0; i < data.length; i++){
      sum = sum + data[i]
      document.write('<p>' + sum + '</p>');
      } 
      ave = sum / data.length;
      document.write('<p>平均値:' +ave+ '</p>'); 
    }
    calc_ave();
</script>
</body>
</html>

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