Why does everyone say that VUE is easy to learn, but I find it quite difficult?

The correct learning sequence is HTML, CSS, and JavaScript, followed by Vue. If you are not a full-time front-end developer, you can use Vue casually, and HTML and CSS do not need to be studied in such detail. However, a solid foundation in JavaScript is essential. Start by reviewing JavaScript and its advanced syntax in ES6+. Then, gain an understanding of how Node.js operates before moving on to Vue. For building a strong foundation, it is recommended to learn through video tutorials.

When I first started learning, I felt the same way. But then I started writing a little bit every day, and I gained a lot from it. If you don't know how to write, just copy first. As you keep copying, you'll start to get the hang of it. When I first started learning, I introduced a Vue 2 JavaScript file, and gradually became familiar with its syntax structure. Eventually, I realized that it's mostly about encapsulating data and methods, plus routing, state management, and various performance optimizations. Keep going—it’s normal to find unfamiliar things challenging. Perseverance pays off.

Don’t be misled by the claim that “Vue is simple.” Its simplicity is relative to other front-end frameworks. For back-end developers, the core challenge lies in the transition to reactive programming and a component-based mindset. Prerequisites: Just as building a house requires laying a foundation first, you must establish a solid foundation before you can begin constructing the building. To learn Vue, you need a basic understanding of web fundamentals and must be familiar with JavaScript, HTML, CSS, DOM operations, and related knowledge. Vue’s simplicity means it simplifies some operations for frontend developers. However, this doesn’t mean you can skip the fundamentals and jump straight into learning Vue. Differences in thinking patterns: PHP: Request/response cycle, server-side rendering, synchronous logic-centric, database and file system operations. Vue: Single-page applications, client-side rendering, reactive data binding, declarative UI, component-based architecture, event-driven, asynchronous operations (AJAX) are the norm. It is necessary to shift from “controlling the flow” to “responding to changes.” It is recommended to first review the foundational knowledge, then follow the official documentation's examples to start practicing, without rushing to understand the underlying principles.

Vue claims to be a progressive framework and is one of the simplest frameworks available. Front-end knowledge is diverse, and simply memorizing it won't be enough. You'll understand it better by creating a simple page yourself. All knowledge and syntax are designed to better describe pages and interactions. First, you need to understand the front-end trio: HTML, JavaScript, and CSS. Then you can use Vue to create simple pages. Don't start with advanced usage; when you write sufficiently complex pages, you'll naturally understand why these usages are necessary.

If you find Vue challenging, the primary reasons may be the following: 1. Steep learning curve, 2. Lack of front-end fundamentals, 3. Documentation and resources, 4. Project complexity, 5. Extensive ecosystem. These factors are particularly common among beginners and developers without prior front-end development experience. In the following sections, we will delve into these reasons in detail and provide some solutions and recommendations.

1. Steep Learning Curve

As a modern front-end framework, Vue.js is rich in features and highly flexible. This can make it challenging for beginners to grasp initially. Here are some specific reasons why you might find Vue difficult:

1. Many concepts: Vue.js involves concepts such as components, directives, template syntax, Vue instances, and lifecycle hooks, which beginners need time to understand and master.

2. Syntax and conventions: Vue.js utilizes many ES6 features, such as arrow functions and destructuring assignment. If you are unfamiliar with these new features, you may find the syntax complex.

3. Toolchain: Vue.js development typically involves tools like Vue CLI, Webpack, and Babel. Configuring and using these tools also requires a certain learning curve.

2. Lack of front-end fundamentals

If you lack a solid foundation in front-end development before learning Vue.js, you may find it difficult to master. Here are some challenges that may arise from a weak front-end foundation:

1. HTML and CSS: Vue.js's template syntax is based on HTML. If you are unfamiliar with HTML and CSS, you may struggle to understand Vue's template syntax.

2. JavaScript: Vue.js is a JavaScript-based framework. If you are unfamiliar with the basic syntax and features of JavaScript, you will encounter many difficulties when learning Vue.js.

3. DOM operations: Vue.js is an encapsulation and optimization of DOM operations at the core level. If you do not understand the basic operations of the DOM, you may find it difficult to understand how Vue works.

III. Documentation and resources

Although Vue.js has official documentation, the content may not be very beginner-friendly. Here are some reasons why you might find the documentation and resources insufficient:

1. Documentation depth: The official documentation is sometimes too concise, lacking detailed explanations and examples, which may make it difficult for beginners to learn.

2. Resource complexity: There are many tutorials and resources available online, but their quality varies greatly, making it difficult for beginners to discern which resources are reliable.

3. Community Support: Although Vue.js has a large community, beginners may not receive satisfactory answers when asking questions in the community due to unclear problem descriptions or overly basic questions.

4. Project Complexity

When using Vue.js in actual projects, the complexity of the project may make it feel difficult to manage. Here are some reasons why you might find the project complex:

1. State Management: In large-scale projects, state management is a complex issue. Vuex, as Vue.js's state management library, requires time to learn and master.

2. Component Communication: In complex projects, communication and data transfer between components is a common challenge. Vue.js's parent-child component communication and cross-level component communication mechanisms require a deep understanding.

3. Performance optimization: In large projects, performance optimization is an important issue. Vue.js provides various optimization techniques, such as lazy loading and virtual DOM, but applying these technologies requires some experience and skill.

5. Large ecosystem

The Vue.js ecosystem is very large, including tools and libraries such as Vue Router, Vuex, and Nuxt.js. Beginners may feel overwhelmed when faced with such a large ecosystem. Here are some reasons why the ecosystem may seem overwhelming:

1. Tool Selection: During development, you need to choose appropriate tools and libraries, such as routing libraries, state management libraries, and UI component libraries. These choices require some experience and judgment.

2. Version Changes: Vue.js updates its versions frequently, and new versions may introduce new features or changes. Beginners may encounter compatibility issues during the learning process.

3. Integration and configuration: Integrating and configuring various tools and libraries, such as Webpack and Babel, in a project requires some experience and skill.

Summary and recommendations

In summary, the main reasons why Vue is perceived as difficult are: 1) steep learning curve, 2) lack of front-end fundamentals, 3) documentation and resources, 4) project complexity, and 5) the vast ecosystem. Here are some suggestions and solutions for these issues:

1. Systematic Learning: It is recommended to systematically learn the fundamentals of HTML, CSS, and JavaScript to lay a solid foundation for learning Vue.js.

2. Gradual Deepening: Start with simple examples and projects, and gradually delve into the various features and concepts of Vue.js.

3. Utilizing Resources: Leverage official documentation, high-quality online tutorials, and books to systematically learn Vue.js. Participate in community discussions and seek guidance from experienced developers.

4. Practical Projects: Gain experience and skills through practical projects. Attempt to solve real-world problems in projects to enhance your capabilities.

5. Continuous Learning: Stay updated on new technologies and versions, and continuously learn and update your knowledge base.