Type Signature · #23 · 2026-04-27
What is the type of `v`?
TypeScript ·Difficulty 2/3
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.
interface Dict {
[key: string]: number;
}
const d: Dict = { a: 1 };
const v = d.b;
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Press 1 through 4, or tap a numbered choice, to answer. Back to hub