var print_to = (function(to) {
    var n = 1, print_n = (function() {
        if (n>to) { print_n = false; return; }
        console.log(n++);
        print_n();
    });
    print_n();
});

var print_too = (function(to) {
    var n = 1, fns = [function() { }], i;
    var print = function() {
        console.log(n++);
        i = n%(to+1);
        (fns[i] || print)();
    };
    print();
});

var print_2 = (function(to) {
    var n = 1, i, fns = [
        function() {
            i = Math.floor(n%(to+1)/to);
            console.log(n++);
            fns[i]();
        }, function() { }
    ]; fns[0]();
});