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0~2のランダムな数値を3つ取得し、「それぞれの数値」と「最も数値が大きい変数」の情報を表示。※「最も数値が大きい変数」が複数ある場合は複数表示

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<!DOCTYPE html>
<html lang="ja">
<head>
   <meta charset="UTF-8">
   <title>if&amp;3つの数値から最大値を求める</title>
</head>
<body>
   <script>
        var rand1 = Math.floor(Math.random() * 3);
        var rand2 = Math.floor(Math.random() * 3);
        var rand3 = Math.floor(Math.random() * 3);
        document.write('<p>rand1: ' + rand1 + '</p>');
        document.write('<p>rand2: ' + rand2 + '</p>');
        document.write('<p>rand3: ' + rand3 + '</p>');


        //3つがすべて同じ値の場合

        if ( rand1 === rand2 && rand2 === rand3 ) {
            document.write('<p>3つは同じ値です</p>');
        }

        if ( rand1 === rand2 ){
            if ( rand2 >rand3) {
                document.write('<p>一番値が大きいのはrand1とrand2です</p>');
            }else {
                document.write('<p>一番値が大きいのはrand3です</p>');
            }
        } else if (rand1 === rand3) {
            if ( rand3 >rand2) {
                document.write('<p>一番値が大きいのはrand1とrand3です</p>');
            }else {
                document.write('<p>一番値が大きいのはrand2です</p>');
            }
        } else if (rand2 === rand3) {
            if ( rand3 >rand1) {
                document.write('<p>一番値が大きいのはrand2とrand3です</p>');
            }else {
                document.write('<p>一番値が大きいのはrand1です</p>');
            }
        } else if ( rand1 > rand2 && rand1 > rand3 ) {
            document.write('<p>一番値が大きいのはrand1です</p>');
        } else if ( rand2 > rand3 && rand2 > rand1 ) {
            document.write('<p>一番値が大きいのはrand2です</p>');
        } else if ( rand3 > rand2 && rand3 > rand1 ) {
            document.write('<p>一番値が大きいのはrand3です</p>');
        }
    </script>
</body>
</html>
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