View HTML markup
<form method="POST" novalidate action="?/">
<div>
<label for="number" id="number">Number
</label>
<span id="number-hint">
Should be prime and greater than 99
</span>
<input dir="auto" value="" autocapitalize="off" autocomplete="off" autocorrect="off" spellcheck="false" id="number" size="3" inputmode="numeric" type="text">
</div>
<button type="button">
Submit
</button>
</form>