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Rare Earth Juejin Tech Community
Rare Earth Juejin Tech Community
Mar 21, 2025 · Frontend Development

Component Communication in Vue 3: Props, Emit, Sibling Communication, Event Bus, Pinia, Provide/Inject, and Ref

This article provides a comprehensive guide to Vue 3 component communication, covering parent‑to‑child props, child‑to‑parent emit, sibling communication via parent mediation, event bus, Pinia state management, provide/inject, shared reactive objects, and component instance references, with code examples and a comparison table.

Component CommunicationEmitPinia
0 likes · 13 min read
Component Communication in Vue 3: Props, Emit, Sibling Communication, Event Bus, Pinia, Provide/Inject, and Ref
37 Interactive Technology Team
37 Interactive Technology Team
Dec 10, 2019 · Frontend Development

Vue.js Component Communication Methods and Practical Examples

Vue.js offers multiple component communication techniques—including one‑way props, $emit/$on events, an event bus, $attrs/$listeners, provide/inject, direct $parent/$children/$refs access, Vuex state management, and slot‑based patterns—enabling flexible data flow between parents, children, siblings, and distant descendants.

$onComponent CommunicationEmit
0 likes · 18 min read
Vue.js Component Communication Methods and Practical Examples