Adaptive skill practice — find your level, get sharper.
Vue practice
The reactivity system behind the templates
The Vue 3 mental model senior frontend interviews probe — single-file components and template syntax, the reactivity system (ref vs reactive, computed caching, watchers and flush timing) and its rules (destructuring loss, unwrapping, shallow refs), props/emits and v-model contracts, slots and provide/inject, KeepAlive and Suspense, and the internals: Proxy-based track/trigger, the scheduler's batching, patch flags and the block tree. Grounded in the official vuejs.org docs; core Composition API is version-stable and version-specific behavior is flagged. Part of the Developer track.
• Meets you at your level — never too easy, never too hard.
• Adapts every question to how you’re doing.
• Tracks your level over time. Skill practice, not a test.
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