Optional Chaining and Nullish Coalescing
When we write applications, calling properties or methods on a non-existing object can have fatal consequences for your program. This usually results in a reference error causing our code to crash. You may not always expect this to happen, because you are not always in control of the data you are working with.

#nullish-coalescing #es2020 #optional-chaining #javascript

Optional Chaining and Nullish Coalescing
1.20 GEEK