jQuery addClass example
Change class name on click in jQuery
by hrabinowitz
HTML
<input type='number' value='5' min='1' max='10' id='myInput'/>
<p>value is </p>
<span id='valueOfInput'></span>
JavaScript
$('#valueOfInput').change(onChange);
function onChange() {
$('#valueOfInput').text($('#myInput').val());
}