console 命令行工具 X clear

console

{
  document.write("<h1>这是标题</h1>");
  document.write("<p>这是一个段落</p>")
  document.write("<input>")
}

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <title>Document</title>
</head>
<body>
  
</body>
</html>