search
HomeWeb Front-endVue.jsHow to communicate between components in vue

The main methods of communication between Vue components are: 1. Parent-child component communication (props, emit); 2. Sibling component communication (EventBus, Vuex); 3. Global event bus ($root, $listeners); 4. Custom events ($emit, $on); 5. Provide and Inject (provide, inject). Choosing the most appropriate communication method depends on the specific situation and communication granularity.

How to communicate between components in vue

Vue inter-component communication

In Vue, inter-component communication is crucial, it enables components to communicate with each other Pass data and trigger events. There are mainly the following ways to implement inter-component communication:

1. Parent-child component communication

  • props:Parent component to child component Pass data, read only.
  • emit: The child component sends events to the parent component.

2. Sibling component communication

  • EventBus: Create a central event bus through which components can register and trigger event.
  • Vuex: Using a centralized state management system, components can store and access shared data.

3. Global event bus

  • $root: Access to the root component, you can trigger and listen for events.
  • $listeners: Listen events in the root component, triggered by other components.

4. Custom events

  • $emit: Register and trigger custom events, which can be between components Pass data and trigger callbacks.
  • $on: Listen to custom events and execute callbacks when triggered.

5. Provide and Inject

  • provide: Provide data in the parent component, and the child component can access it through injection .
  • inject: Inject dependencies provided by the parent component into the child component.

Choose the most appropriate communication method:

Selecting the most appropriate communication method depends on the specific situation. For parent-child component communication, props and emit are great. For sibling components or cross-level communication, EventBus or Vuex may be more suitable. Custom events and Provide/Inject are suitable for more flexible and customizable communication scenarios.

The above is the detailed content of How to communicate between components in vue. For more information, please follow other related articles on the PHP Chinese website!

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Vue.js and the Frontend: A Deep Dive into the FrameworkVue.js and the Frontend: A Deep Dive into the FrameworkApr 22, 2025 am 12:04 AM

Vue.js is loved by developers because it is easy to use and powerful. 1) Its responsive data binding system automatically updates the view. 2) The component system improves the reusability and maintainability of the code. 3) Computing properties and listeners enhance the readability and performance of the code. 4) Using VueDevtools and checking for console errors are common debugging techniques. 5) Performance optimization includes the use of key attributes, computed attributes and keep-alive components. 6) Best practices include clear component naming, the use of single-file components and the rational use of life cycle hooks.

The Power of Vue.js on the Frontend: Key Features and BenefitsThe Power of Vue.js on the Frontend: Key Features and BenefitsApr 21, 2025 am 12:07 AM

Vue.js is a progressive JavaScript framework suitable for building efficient and maintainable front-end applications. Its key features include: 1. Responsive data binding, 2. Component development, 3. Virtual DOM. Through these features, Vue.js simplifies the development process, improves application performance and maintainability, making it very popular in modern web development.

Is vue.js better than React?Is vue.js better than React?Apr 20, 2025 am 12:05 AM

Vue.js and React each have their own advantages and disadvantages, and the choice depends on project requirements and team conditions. 1) Vue.js is suitable for small projects and beginners because of its simplicity and easy to use; 2) React is suitable for large projects and complex UIs because of its rich ecosystem and component design.

Vue.js's Function: Enhancing User Experience on the FrontendVue.js's Function: Enhancing User Experience on the FrontendApr 19, 2025 am 12:13 AM

Vue.js improves user experience through multiple functions: 1. Responsive system realizes real-time data feedback; 2. Component development improves code reusability; 3. VueRouter provides smooth navigation; 4. Dynamic data binding and transition animation enhance interaction effect; 5. Error processing mechanism ensures user feedback; 6. Performance optimization and best practices improve application performance.

Vue.js: Defining Its Role in Web DevelopmentVue.js: Defining Its Role in Web DevelopmentApr 18, 2025 am 12:07 AM

Vue.js' role in web development is to act as a progressive JavaScript framework that simplifies the development process and improves efficiency. 1) It enables developers to focus on business logic through responsive data binding and component development. 2) The working principle of Vue.js relies on responsive systems and virtual DOM to optimize performance. 3) In actual projects, it is common practice to use Vuex to manage global state and optimize data responsiveness.

Understanding Vue.js: Primarily a Frontend FrameworkUnderstanding Vue.js: Primarily a Frontend FrameworkApr 17, 2025 am 12:20 AM

Vue.js is a progressive JavaScript framework released by You Yuxi in 2014 to build a user interface. Its core advantages include: 1. Responsive data binding, automatic update view of data changes; 2. Component development, the UI can be split into independent and reusable components.

Netflix's Frontend: Examples and Applications of React (or Vue)Netflix's Frontend: Examples and Applications of React (or Vue)Apr 16, 2025 am 12:08 AM

Netflix uses React as its front-end framework. 1) React's componentized development model and strong ecosystem are the main reasons why Netflix chose it. 2) Through componentization, Netflix splits complex interfaces into manageable chunks such as video players, recommendation lists and user comments. 3) React's virtual DOM and component life cycle optimizes rendering efficiency and user interaction management.

The Frontend Landscape: How Netflix Approached its ChoicesThe Frontend Landscape: How Netflix Approached its ChoicesApr 15, 2025 am 12:13 AM

Netflix's choice in front-end technology mainly focuses on three aspects: performance optimization, scalability and user experience. 1. Performance optimization: Netflix chose React as the main framework and developed tools such as SpeedCurve and Boomerang to monitor and optimize the user experience. 2. Scalability: They adopt a micro front-end architecture, splitting applications into independent modules, improving development efficiency and system scalability. 3. User experience: Netflix uses the Material-UI component library to continuously optimize the interface through A/B testing and user feedback to ensure consistency and aesthetics.

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

SecLists

SecLists

SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.

WebStorm Mac version

WebStorm Mac version

Useful JavaScript development tools

Atom editor mac version download

Atom editor mac version download

The most popular open source editor

EditPlus Chinese cracked version

EditPlus Chinese cracked version

Small size, syntax highlighting, does not support code prompt function

DVWA

DVWA

Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software