怎样将当前节点从DOM树中移除

1. 获取到当前节点.

2. 获取到当前节点的父节点.

3. 使用 Node.prototype.removeChild() 移除当前节点.

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
<body>
    <p id="id1">Hello, World!</p>
    <script>
        // var id1 = document.getElementById("id1");
        // if (id1.parentNode) {
        //     id1.parentNode.removeChild(id1);
        // }
    </script>
</body>
</html>

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