【JS】节点操作-2

Osinghong5个月前 (05-26)成果展示175

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>d24c04429</title>
</head>
<body>
    <ul>
        <li></li>
    </ul>
    <script>
        var ul = document.querySelector('ul');
        var liBefore = document.createElement('li');
        liBefore.textContent = 'd24c04429';
        ul.insertBefore(liBefore, ul.firstElementChild);
        var liAfter = document.createElement('li');
        ul.appendChild(liAfter);
    </script>
</body>
</html>

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