开始之前我们先制作一个电子邮箱的链接列表。HTML 代码如下 - 在线编辑器

          <!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <style>
    ul {
      list-style-type: none;
    }

    ul li a {
      color: green;
      text-decoration: none;
      padding: 3px;
      display: block;
    }
  </style>
</head>
<body>

  <ul>
    <li><a data-email="johndoe@example.com" href="mailto:johndoe@example.com">John Doe</a></li>
    <li><a data-email="marymoe@example.com" href="mailto:marymoe@example.com">Mary Moe</a></li>
    <li><a data-email="amandapanda@example.com" href="mailto:amandapanda@example.com">Amanda Panda</a></li>
  </ul>

</body>
</html>
        