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[Try it Β»](#)
Click the "Try it" button to see the online example.
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## Features and Advantages of Vue.js
* **Reactive Data Binding**: Vue.js provides a powerful reactive data binding system, ensuring that data changes automatically reflect in the view layer, reducing the need for developers to manually manipulate the DOM.
* **Component-Based**: Vue.js encourages breaking applications into small, reusable components, enhancing code organization, maintainability, and reusability.
* **Flexibility and Progressiveness**: Vue.js is a progressive framework that can introduce features (like Vue Router and Vuex) as needed, adapting to projects of different scales.
* **Simple Template Syntax**: Vue.js offers intuitive and easy-to-learn template syntax, allowing direct use of directives (like `v-if`, `v-for`, etc.) in HTML for data binding and DOM manipulation.
* **Virtual DOM**: Vue.js uses a virtual DOM to improve performance by comparing old and new virtual DOMs to minimize actual DOM operations, thereby increasing rendering efficiency.
* **Two-Way Data Binding**: Similar to Angular, Vue.js provides two-way data binding (`v-model`), synchronizing form inputs with data models and simplifying data flow management.
* **Lightweight and Efficient**: Compared to other frameworks (like Angular or React), Vue.js is more lightweight, with a small and well-optimized core library, suitable for fast loading.
* **Strong Toolchain Support**: Vue.js offers complete development toolchain support, including Vue CLI, Vue Devtools, etc., helping developers efficiently build, debug, and optimize applications.
* **Easy Integration**: Since Vue.js can be introduced incrementally, it is easy to integrate with existing projects or other frameworks, suitable for scenarios ranging from small projects to large applications.
* **Rich Ecosystem**: Vue.js has an active community and a rich ecosystem, including official libraries like Vue Router and Vuex, as well as numerous third-party plugins and components.
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## References:
Official Website: [https://cn.vuejs.org/](https://cn.vuejs.org/)
Chinese Documentation: [https://cn.vuejs.org/guide/introduction.html](https://cn.vuejs.org/guide/introduction.html)
Webpack Getting Started Tutorial: [Vue3 Tutorial
# Vue3 Tutorial
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Vue.js (pronounced /vjuΛ/, similar to "view") is a progressive framework for building user interfaces.
Vue focuses only on the view layer and adopts an incremental, bottom-up development design.
Vue's goal is to provide simple APIs for reactive data binding and composable view components.
Vue is very easy to learn. This tutorial is based on Vue3 and later versions.
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## Progressive Framework
A **progressive framework** is one that allows developers to gradually introduce and use its features according to project needs, without having to adopt all its features at once.
Common progressive frameworks include: Vue, React, Angular, etc.
**Advantages of a Progressive Framework:**
* **Easy to get started**: Developers can start with basic features and gradually learn and use more.
* **Flexibility**: Introduce framework features as needed, compatible with existing code.
* **Reduced learning curve**: Learn in stages, gradually mastering advanced features.
* **Improved efficiency**: Quickly build prototypes and gradually expand functionality.
* **Compatibility with other technologies**: Lightweight design allows coexistence with existing technologies.
* **Reduced technical debt**: Avoids large-scale refactoring from the start.
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## Prerequisites for This Tutorial:
* HTML
* CSS
* JavaScript
This tutorial primarily covers the usage of Vue3.x versions.
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## First Example
## Vue 3.0 Example