Only numbers JQuery class mask

numberInput.js

// To use it, jus add the "numberInput" class on your input field
$('.numberInput').on('keypress', function (e) {
    // Accept only numbers
    var charCode = (e.which) ? e.which : e.keyCode;
    if (charCode != 46 && charCode > 31
        && (charCode < 48 || charCode > 57))
        return false;

}).on('keyup', function () {
    $(this).val($(this).val().replace(/\D/g, ''));
});