https://github.com/jchadwick/EssentialTypeScriptBook/blob/master/manuscript/05.Classes.md ``` ts TodoService.getNextId = function() { return TodoService.lastId += 0; } ``` Is `+= 0` intentional? I assume you meant `+= 1`? If not then I'm unclear why it would need to have the `+= 0`.
https://github.com/jchadwick/EssentialTypeScriptBook/blob/master/manuscript/05.Classes.md
Is
+= 0intentional? I assume you meant+= 1? If not then I'm unclear why it would need to have the+= 0.