JavaScript DOM操作案例点击按钮修改ul背景颜色 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
</head>
<body>
<input type="button" value="修改颜色" id="bt"/>
<ul id="u">
    <li>涂山红红</li>
    <li>涂山雅雅</li>
    <li>涂山蓉蓉</li>
    <li>涂山苏苏</li>
    <li>涂山小姑爷</li>
</ul>
<script>
    document.getElementById("bt").onclick = function () {
      document.getElementById("u").style.backgroundColor = "pink";
    };
</script>
</body>
</html>

 

posted @ 2018-07-22 17:08  {颜逸}  阅读(1443)  评论(0)  编辑  收藏  举报