How to store and save correct answers with a set of digits as response in Digit span task?

Put the following in Before Experiment on the JS side only

function reversed(x) {
    var revList;
    revList = [];
    for (var i = 0, _pj_a = x.length; (i < _pj_a); i += 1) {
        revList.push(x[((x.length - 1) - i)]);
    }
    return revList;
}