Tags have some special uses in mobile browsers, and sometimes they can provide great convenience to users.
dial number
<a href="tel:18882323232">打电话 18882323232</a>send messages
<a href="sms:18882323232">发短信 18882323232</a>send email
<a href="mailto:haorooms@126.com?subject=The%20subject%20of%20the%20mail">给haorooms发送邮件</a>Open the APP
<a href="https://apple-wellknown.foundingaz.com" target="_blank">打开APP Store(Safari可直接打开app)</a>
**粗体** _斜体_ [链接](http://example.com) `代码` - 列表 > 引用。你还可以使用@来通知其他用户。