Validate Input on numbers

validate-input-on-numbers.js

validateInputOnNumberKeyPress($('input[type="number"]'));

function validateInputOnNumberKeyPress(input) {
    input.keypress(function (e) {
        if (e.which != 8 && e.which != 0 && e.which != 13 && (e.which < 48 || e.which > 57)) {
            return false;
        }
    });
}