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【JavaScript】DOM(Document Object Model)からHTMLとCSSを操作して、背景色、文字色、文字サイズを操作せよ。※css不要

Last updated at Posted at 2021-05-10

image.png

<!DOCTYPE html>
<html lang="ja">
<head>
   <meta charset="UTF-8">
   <title>challenge_dom</title>
</head>
<body>
   <div id="large">
       <div id="box1">文字色は赤文字サイズは24p</div>
       <div id="box2">文字色は白文字サイズはデフォルト</div>
   </div>
   <script>
       // ここに追記
       var large = document.getElementById('large'); // id="box1"の要素を取得
       var box1 = document.getElementById('box1'); // id="box1"の要素を取得
       var box2 = document.getElementById('box2'); // id="box2"の要素を取得

       large.style.backgroundColor = 'black';
       box1.style.color = 'red';
       box1.style.fontSize = "24px";
       box2.style.color = 'white';

   </script>
</body>
</html>

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