رشتهٔ گفتگو خوبه واقعا. اینو ts داشت؟

آره داریمش تو بقیه زبان ها هم optional chaining تو js هم هست. None-aware access operators are not a new invention. Several other modern programming languages have so called “null-aware” or “optional chaining” operators, including TypeScript [3], ECMAScript (a.k.a. JavaScript) [5], C# [7], Dart [9], Swift [10], Kotlin [11], Ruby [13], PHP [14] and more.

این مثال خیلی خوبیه