console 命令行工具 X clear

console

<!DOCTYPE html>
<html>
<body>

<form action="">
User name:<br>
<input type="text" name="userid">
<br>
User password:<br>
<input type="password" name="psw">
</form>

<p>The characters in a password field are masked (shown as asterisks or circles).</p>

</body>
</html>