Reactive Side-Effects with Vue 3 Watchers

Vue 3’s watch API lets you run arbitrary code whenever a reactive value changes. Its the reactive system’s hook for side-effects—loggging, validation, network requests, or synchronizing related state. Listening to a single ref <template> <p>Counter: {{ count }}</p> <button @click="count++">Increment</but ...

Posted on Wed, 03 Jun 2026 17:54:37 +0000 by pingu