How to rewrite type checking in traversal if additional primitive types like `string` appear in the tree values?
Frontend
Is it necessary to make a function for processing a branch nested within the main traversal function? How many instances of such a function will be created during recursive traversal?
What principles of clean code are violated in the proposed tree traversal implementation and how can it be improved?
Describe what happens after entering in the browser and pressing Enter: from DNS resolution to receiving the HTTP response.
Have you had experience working with Feature-Sliced Design (FSD)?
Implement a function that outputs all values at the ends of "branches" to the console interface ITree { left?: ITree | number; right?: ITree | number; } function printTree(data: ITree): void {}
How does CORS work: what requests does the frontend send and what should the backend return?
Is there a difference between passing a callback to `forEach` as a function reference and through an arrow wrapper? Will there be a difference if the function is a class method?
Why is the check `typeof value === "object"` unsafe for `null` and how to make the type check for tree values safer and more understandable?
What is the IP address 127.0.0.1 and who manages this address in the operating system?
How to improve traversal to avoid code duplication when additional branch fields like `center` and `leftCenter` appear?
What is the difference in TypeScript between optional property `left?: T` and mandatory property `left: T | undefined`?
How to implement a type guard for a tree that checks only allowed keys and values, including nested subtrees? How to ensure O(1) complexity in the worst case for key checking?
What engine is used in Google Chrome?