console 命令行工具 X clear

console

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <title>Document</title>
</head>
<body>
  <ul id="myMenu" style="position: absolute;visibility: hidden;background-color: silver">
    <li>111</li>
    <li>222</li>
    <li>333</li>
  </ul>
</body>
</html>