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複数の数値が定義されている配列dataから、「100」と「40」の値を取り出し、2つの値を合算し表示するプログラムを作成

JavaScript

Posted at 2018-12-02

<!DOCTYPE html>
<html lang="ja">
<head>
    <meta charset="UTF-8">
    <title>4_9</title>
    <script>
        var data = [59, 39, 100, 2, 15, 40, 84, 97];
        for (var i = 0; i < data.length; i++) {
        }
        document.write(data[2] + ' + ' + data[5] + ' = ' + (data[2]+data[5]));
    </script>
</head>
<body>
</body>
</html>

100 + 40 = 140

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