<html>
<body>
<p>
Depending on browser support:<br>
Numeric restrictions will apply in the input field.
</p>
<form action="/action_page.php">
Quantity:
<input type="number" name="points"
min="0" max="100" step="10" value="30">
<input type="submit" value="Send">
</form>
</body>
</html>