<!DOCTYPE html>
<html>
<body>
<h1>The input checked attribute</h1>
<form action="/action_page.php" method="get">
<input type="checkbox" name="vehicle1" value="Bike">
<label for="vehicle1"> I have a bike</label><br>
<input type="checkbox" name="vehicle2" value="Car">
<label for="vehicle2"> I have a car</label><br>
<input type="checkbox" name="vehicle3" value="Boat" checked>
<label for="vehicle3"> I have a boat</label><br><br>
<input type="submit" value="Submit">
</form>
</body>
</html>