使用 <figure> 展示一段代码

<figure>

  <figcaption>通过 navigator 获取浏览器详情</figcaption>

  <pre>

function NavigatorExample() {

  var txt;

  txt = "Browser CodeName: " + navigator.appCodeName;

  txt+= "Browser Name: " + navigator.appName;

  txt+= "Browser Version: " + navigator.appVersion ;

  txt+= "Cookies Enabled: " + navigator.cookieEnabled;

  txt+= "Platform: " + navigator.platform;

  txt+= "User-agent header: " + navigator.userAgent;

}            

  </pre>

</figure>

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