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Frontend · Mid-level · Theory

How does reactivity work in Vue 3, and in what situations can it get "lost"?

~4 min by voice

How to approach it

The interviewer wants to see whether you understand the mechanics of reactivity (Proxy, track/trigger, ref vs reactive) rather than just using it. The key is whether you can predict and fix the cases where the UI stops updating.

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Topics
vuereactivity
Similar questionsWhat's the fundamental difference between how React and Vue update the UI? How does that affect how you deal with unnecessary re-renders? Senior

Answer by voice

The interviewer will ask this question and listen. Think out loud and ask for a hint if you need one. When you're done, pause or tap “That's my answer”. In about a minute, your score and the points you covered show up here.

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Best with headphones · ~4 min