Invert keys and values in TypeScript
TypeScript interview exercise on Objects, difficulty 1 of 3. Solve it in the editor beside a worked example; the tests run the moment you do.
Write invert(obj) that swaps keys and values. Values are strings or numbers.
Each exercise pairs a worked example with a twin problem to solve in a real editor; the tests run the moment you do. Progress is saved in your browser, and in your account if you sign in.