Testing · Senior · Question 26 of 75

What are the main limitations of jsdom for component tests?

✓Correct answer: No layout engine (sizes and positions are 0), no real navigation, missing APIs like IntersectionObserver and matchMedia
2It can't render React
3It doesn't support events

Explanation

Polyfill or mock the missing APIs, or move layout-dependent tests to a real browser (Vitest Browser Mode, Playwright CT).

Further reading

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