<!DOCTYPE html>
<html>
<body>
<h1>Display a Week Input Control</h1>
<p>If the browser supports it, a date picker pops up when entering the input field.</p>
<form action="/action_page.php">
<label for="week">Select a week:</label>
<input type="week" id="week" name="week">
<input type="submit">
</form>
</body>
</html>