TypeScript · Middle · Question 60 of 75

How do `target` and `lib` differ in `tsconfig.json`?

✓Correct answer: target sets which JS syntax is emitted; lib sets which built-in APIs (e.g. DOM, ES2023) are declared as available
2They're synonyms
3lib chooses the bundler

Explanation

lib doesn't add polyfills: declaring ES2023 lets you call findLast, but old browsers still need a polyfill.

Further reading

TS: TSConfig Reference ↗

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