SOURCE

console 命令行工具 X clear

                    
>
console
<!DOCTYPE html>
<html>
<body>

<form action="action_page.php">
<input type="checkbox" name="vehicle" value="Bike">I have a bike
<br>
<input type="checkbox" name="vehicle" value="Car">I have a car 
<br><br>
<input type="submit">
</form> 

</body>
</html>