console 命令行工具 X clear
console
<!DOCTYPE html>
<html lang="en-US">
  <head>
    <meta charset="utf-8"/>
    <meta name="author" content="eyelly wu" />
    <meta name="description" content="html" />
    <title>this is title</title>
    <link href="favicon.ico" rel="shortcut icon" type="image/x-icon"/>
    <link href="style.css" rel="stylesheet" type="text/css"/>
  </head>
  <body>
    <p>this is content</p>
    <script src="script.js"></script>
  </body>
</html>