Type Signature · #56 · 2026-05-30
What is type `K`?
TypeScript ·Difficulty 1/3
How to play
Read the TypeScript snippet and pick the correct type from four choices. Think about inference, narrowing, and utility types. Press 1–4 or click to answer.
const obj = { a: 1, b: 'hello', c: true };
type K = keyof typeof obj;
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Press 1 through 4, or tap a numbered choice, to answer. Back to hub