w3css-rjfe3dx3_7 在线代码实例

实例代码( Tip: 登录后体验更佳 )
运行代码

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<!DOCTYPE html>
<html>
<head>
    <title>W3.CSS(w3cschool.cn)</title>
    <meta name="viewport" content="width=device-width, initial-scale=1" charset="UTF-8">
    <link rel="stylesheet" href="https://7npmedia.w3cschool.cn/w3.css">
</head>
<body>
<div class="w3-container">
    <h2>隐藏面板</h2>
    <p>隐藏面板可以使用w3按钮上的onclick事件来完成：</p>
</div>
<div class="w3-panel w3-red w3-display-container">
  <span onclick="this.parentElement.style.display='none'"
        class="w3-button w3-red w3-large w3-display-topright">x</span>
    <p>单击 X 关闭此面板。</p>
    <p>单击 X 关闭此面板。</p>
</div>
</body>
</html>
 
 
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运行结果
PC端手机端平板端