Comments by Alexanbu (Top 2 by date)

<form action="demo_form.asp">

Enter a date before 1980-01-01:
<input type="date" name="bday" max="1979-12-31">

Enter a date after 2000-01-01:
<input type="date" name="bday" min="2000-01-02">

Quantity (between 1 and 5):
<input type="number" name="quantity" min="1" max="5">

<input type="submit">

</form>

Syntax:
<input min="number|date">