For in loop, obj ToString - Doncho's

<script>

        function printAll(obj) {
            jsConsole.writeLine("--------------------------");
            for (var property in obj) {
                jsConsole.writeLine("obj[" + property + "] = " + obj[property]);
            }
            jsConsole.writeLine("--------------------------");
        }

        var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9];
        printAll(arr);
        var doc = document;
        printAll(doc);

        var obj = {
            firstName: "Doncho",
            lastName: "Minkov",
            age: 23,
            fullName: function () {
                return this.firstName + " " + this.lastName
            },
            toString: function () {
                return "Name: " + this.fullName() + "\nAge: " + this.age
            }
        };

        printAll(obj);
    </script>