Only numbers Allow only numeric (0-9) in HTML input using jQuery.
$('input[type=number]').on('keydown', function(evt) {
var key = evt.charCode || evt.keyCode || 0;
return (key == 8 ||
key == 9 ||
key == 46 ||
key == 110 ||
key == 190 ||
(key >= 35 && key <= 40) ||
(key >= 48 && key <= 57) ||
(key >= 96 && key <= 105));
});