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<!DOCTYPE html>
<html>
<body>
<h1>The input checked attribute</h1>
<form action="" 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 id="boat" type="checkbox" name="vehicle3" value="Boat" checked>
<label for="vehicle3"> I have a boat</label><br><br>
<input type="submit" value="Submit">
</form>
<script>
function ch()
{
console.assert(document.getElementById('boat').checked, 'checked true');
}
console.error('element.checked.html');
ch();
console.exit();
</script>
<button onclick="ch();">CLICK</button>
</body>
</html>
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