Any way to simplify this code?

Question

New to javascript! This works, but I have a lot more to do, and it would be great if there was a cleaner way to do this.. open to using jquery if neccesary :)

(stack

Answer 1

I'd do it something like this:

function apply() {
    var backers = 0;
    for (var i = 1; i < 20; ++i) {
        backers +=
            parseInt(document.getElementById("backer-prediction-" + i).value);
    }
    document.getElementById("backer-prediction-answer").value = backers;
}