无障碍化 导航栏与可展开按钮

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无障碍化 导航栏与可展开按钮

测试工具：

代码实现：

  • 对于导航栏，添加 nav 标签
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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <!-- nav标签 -->
    <div>
      <head>
        <a href="/" class="logo">hello world</a>
        <nav>
          <ul>
            <li><a href="/who">Who am I</a></li>
            <li><a href="/services">Services</a></li>
            <li><a href="contact">Contact</a></li>
          </ul>
        </nav>
      </head>
    </div>
  </body>
</html>
  • 对于可折叠 button
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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <!-- 可展开按钮 -->
    <button aria-expanded="false" aria-controls="sect1" id="btn1">
      button
    </button>
    <p id="sect1" role="region" aria-label="btn1">content</p>
  </body>
</html>

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