Callback Hell 📉

1getData(function(a) {
2    getMoreData(a, function(b) {
3        getMoreData(b, function(c) {
4            getMoreData(c, function(d) {
5                getMoreData(d, function(e) {
6                    console.log("Finally done!");
7                });
8            });
9        });
10    });
11});