The difference between ref and props in vue
The difference between ref and props in Vue: ref is a method that points to a component instance and can be used to dynamically operate the component; props is a property used to receive data from the parent component.
The difference between ref and Props in Vue
In Vue, ref and props are two things used for management Different mechanisms for component data and behavior.
ref
- Definition: A method that points to a component instance.
-
Usage: You can assign a component instance to a variable using the
ref
attribute. - Purpose: Allow direct access to the component instance so that it can be dynamically manipulated.
-
Access method: Use the
this.$refs
object, such asthis.$refs.myComponent
.
Props
- Definition: Properties that the component receives data from the parent component.
-
Usage: Use the
props
option to define the properties that the component needs to receive, and then use thev-bind
directive to pass the data to the component. - Purpose: Allow components to communicate and share data with parent components.
-
Access method: You can use
this.propName
to access props data.
Key differences
Features | ref | props |
---|---|---|
Type | Method | Attribute |
Access method | Dynamic | Static |
One-way (from child to parent) | One-way (from parent to child) | |
Dynamic operation component | Receive external data |
Summary
ref is used to dynamically access and operate component instances, while props are used to receive data from the parent component. Both are important tools for managing component data in Vue, but use different mechanisms based on different needs.The above is the detailed content of The difference between ref and props in vue. For more information, please follow other related articles on the PHP Chinese website!

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics



You can add a function to the Vue button by binding the button in the HTML template to a method. Define the method and write function logic in the Vue instance.

There are three ways to refer to JS files in Vue.js: directly specify the path using the <script> tag;; dynamic import using the mounted() lifecycle hook; and importing through the Vuex state management library.

Using Bootstrap in Vue.js is divided into five steps: Install Bootstrap. Import Bootstrap in main.js. Use the Bootstrap component directly in the template. Optional: Custom style. Optional: Use plug-ins.

The watch option in Vue.js allows developers to listen for changes in specific data. When the data changes, watch triggers a callback function to perform update views or other tasks. Its configuration options include immediate, which specifies whether to execute a callback immediately, and deep, which specifies whether to recursively listen to changes to objects or arrays.

Vue.js has four methods to return to the previous page: $router.go(-1)$router.back() uses <router-link to="/" component window.history.back(), and the method selection depends on the scene.

Implement marquee/text scrolling effects in Vue, using CSS animations or third-party libraries. This article introduces how to use CSS animation: create scroll text and wrap text with <div>. Define CSS animations and set overflow: hidden, width, and animation. Define keyframes, set transform: translateX() at the beginning and end of the animation. Adjust animation properties such as duration, scroll speed, and direction.

There are three common methods for Vue.js to traverse arrays and objects: the v-for directive is used to traverse each element and render templates; the v-bind directive can be used with v-for to dynamically set attribute values for each element; and the .map method can convert array elements into new arrays.

Pagination is a technology that splits large data sets into small pages to improve performance and user experience. In Vue, you can use the following built-in method to paging: Calculate the total number of pages: totalPages() traversal page number: v-for directive to set the current page: currentPage Get the current page data: currentPageData()
