Sohu Tech Products
Feb 2, 2022 · Frontend Development
Understanding Vue 3 Reactivity: Ref Implementation, Dependency Tracking and Effect Optimization
This article explains Vue 3's reactivity mechanism by dissecting the ref API, showing how dependency collection and triggering work through effect functions, and describing the bit‑mask optimization introduced in Vue 3.2 to efficiently update only stale dependencies.
Dependency TrackingReactivityVue
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