移除孩子节点element.removeChild(孩子节点)案例 

<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
<body>
<div>
    <ul id="ul">
        <li>旧节点</li>
    </ul>
</div>
<script>
    let ul = document.getElementById('ul');
    setTimeout(function () {
        ul.removeChild(ul.children[0]);
    }, 3000)
</script>
</body>
</html>
posted @ 2019-12-20 15:41  杨小越  阅读(718)  评论(0)    收藏  举报