[destus]

gazman,

function listToArray(obj) {
            if (obj.rest != null) {
                console.log(obj.value)
                rez.push(obj.value);
                obj = obj.rest;
                listToArray(obj);
            }
            else {
                rez.push(obj.value);
            }
        }
        var rez = new Array;
        a = { value: 5, rest: { value: 10, rest: { value: 15, rest: { value: 30, rest: null } } } };
        listToArray(a);
        alert(rez);
        document.write(rez.join("<br>")); //