TypeError: Cannot read property '' of undefined has bugged every javascript developer enough. While expecting response from APIs, we need to add a number of && to make sure our code don’t break. This maybe not a problem while dealing with 2 level nested object, but while dealing with large data objects this can be nightmare. The game has been changed with Optional Chaining proposal Stage-4.

Read more at https://itsopensource.com/optional-chaining