Home Web Front-end Vue.js What is vue.js component

What is vue.js component

Nov 10, 2020 pm 04:34 PM

vue.js component is a custom HTML tag used to complete specific functions. It is divided into global components and local components. Global components can be used in any hung tags. Local components are defined in On a certain vue instance.

What is vue.js component

[Related article recommendations: vue.js]

Components are used to complete specific functions A custom HTML tag

For example:

1

2

3

<body>

    <mytag></mytag>

</body>

Copy after login

Note: mytag is a component, which must give mytag certain functions through Vue

Component Function

Component is an encapsulation of feature code (html, css, js). The code in the component can be reused through the name of the component.

Component classification :

Global components and local components

Note: The component's template must have one and only one root tag (all content must be enclosed by one tag).

Global component

1. Syntax of global component:

1

Vue.component("自定义标签的名字",{配置对象})

Copy after login

2. Characteristics of global component:

  • Global component can Used in any hanging tag.

  • The configuration object of the global component must contain the template attribute

  • Local component-is defined in

on a certain vue instance 1. Local syntax:

1

2

3

4

5

6

7

8

var app = new Vue({

    el: "#app",

    data: {},

    components : {

        "局部组件的名字1" : {组件的配置对象}

          "局部组件的名字2" : {组件的配置对象}

    }

});

Copy after login

2. Characteristics of local components

Local components can only be used in mounted tags.

Related free learning recommendations: JavaScript(Video)

The above is the detailed content of What is vue.js component. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
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

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

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

What is the method of converting Vue.js strings into objects? What is the method of converting Vue.js strings into objects? Apr 07, 2025 pm 09:18 PM

Using JSON.parse() string to object is the safest and most efficient: make sure that strings comply with JSON specifications and avoid common errors. Use try...catch to handle exceptions to improve code robustness. Avoid using the eval() method, which has security risks. For huge JSON strings, chunked parsing or asynchronous parsing can be considered for optimizing performance.

Vue.js vs. React: Project-Specific Considerations Vue.js vs. React: Project-Specific Considerations Apr 09, 2025 am 12:01 AM

Vue.js is suitable for small and medium-sized projects and fast iterations, while React is suitable for large and complex applications. 1) Vue.js is easy to use and is suitable for situations where the team is insufficient or the project scale is small. 2) React has a richer ecosystem and is suitable for projects with high performance and complex functional needs.

Is vue.js hard to learn? Is vue.js hard to learn? Apr 04, 2025 am 12:02 AM

Vue.js is not difficult to learn, especially for developers with a JavaScript foundation. 1) Its progressive design and responsive system simplify the development process. 2) Component-based development makes code management more efficient. 3) The usage examples show basic and advanced usage. 4) Common errors can be debugged through VueDevtools. 5) Performance optimization and best practices, such as using v-if/v-show and key attributes, can improve application efficiency.

Is Vue used for frontend or backend? Is Vue used for frontend or backend? Apr 03, 2025 am 12:07 AM

Vue.js is mainly used for front-end development. 1) It is a lightweight and flexible JavaScript framework focused on building user interfaces and single-page applications. 2) The core of Vue.js is its responsive data system, and the view is automatically updated when the data changes. 3) It supports component development, and the UI can be split into independent and reusable components.

How to use bootstrap in vue How to use bootstrap in vue Apr 07, 2025 pm 11:33 PM

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.

How to add functions to buttons for vue How to add functions to buttons for vue Apr 08, 2025 am 08:51 AM

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.

How to use watch in vue How to use watch in vue Apr 07, 2025 pm 11:36 PM

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.

How to reference js file with vue.js How to reference js file with vue.js Apr 07, 2025 pm 11:27 PM

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

See all articles