TypeScript 测验

TypeScript adds static types to JavaScript. This quiz hits interfaces, generics, narrowing, and how types help large codebases scale.

本轮共 10 道题。每题可能有 1 至 4 个正确答案 — 请勾选所有正确选项。每题限时 20 秒。

请选择所有适用答案（正确选项可能有 1～4 个）。

TypeScript interviews probe generics, narrowing, and how types scale in large codebases. Run this quiz before senior front-end or full-stack loops where static typing is non-negotiable.

TypeScript 测验

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