jquery sum of multiple input fields if same class in one input

Question

Hello I need to sum the values of same class input in one input with class name total.

Answer 1

The problem with all of the above answers is that they fail if you enter something other than a number. If you want something that is more friendly to users, you should do some validation, perhaps even give some feedback when a value other than a number is entered.

$('body').on('change', '.qty1', function() {
    var total=0;
    $(".qty1").each(function(){
        quantity = parseInt($(this).val());
        if (!isNaN(quantity)) {
            total += quantity;
        }
    });
    $('.total').val('Total: '+total);
});