console 命令行工具 X clear

console

<!DOCTYPE html>
<html>
<body>

<form>
First name:<br>
<input type="text" name="firstname">
<br>
Last name:<br>
<input type="text" name="lastname">
</form>

<p>Note that the form itself is not visible.</p>

<p>Also note that the default width of a text field is 20 characters.</p>

</body>
</html>