This blew my mind, thought you'd like it too. You can do more with ?. than you thought.

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In 2020 JavaScript gained a new feature – optional chaining. It solves a problem we've had ... forever. How do you access the 3rd level greet , if object , deepProp , and deeperProp might be undefined? You could rely on JavaScript's evaluation semantics. Last value from expression is returned.

A surprising feature of JavaScript optional chaining

<p>Just a reminder with great power comes great responsibility. Optional chaining is really nice for one liners but if you end up doing it for the same object again and again consider ifs or some sort of a validation lib instead.</p>
<p>Optional chaining only protects you if you don’t forget to use it. One forgotten ?. can blow up your app while if’s or validations guarantee the object structure within their entire block</p>
