HTML <input type="date"> attribute example

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<!DOCTYPE html>
<html>
<body>
    <h1>input type="date" attribute example</h1>
    <form action="/action_page.php">
        <label for="anniversary">anniversary:</label>
        <input type="date" id="anniversary" name="anniversary">
        <input type="submit">
    </form>
</body>
</html>