在Vue.js中使用ES6：学习Vue.js是否需先掌握ES6的疑问

Hey there! Great question—this is something tons of developers grapple with when diving into Vue.js, so you’re definitely not alone in wondering this.

Let me break this down clearly:

You don’t need to master all of ES6 first, but you do need to learn the core ES6 features that Vue relies heavily on. #

Here’s why: Vue.js was built with modern JavaScript in mind, and a lot of its syntax and best practices assume you’re familiar with key ES6 tools. If you jump straight into Vue without knowing these basics, you’ll likely get stuck constantly Googling syntax you don’t recognize, which slows down your learning and kills momentum.

The ES6 features you should prioritize before starting Vue: #

• let and const: Ditch var—these block-scoped variable declarations are everywhere in Vue code, especially in components.
• Arrow functions: You’ll see them used in methods, computed properties, and lifecycle hooks all the time (they’re crucial for understanding this binding in Vue).
• Template literals: Handy for dynamic string values in your component logic, and you’ll spot them in examples regularly.
• Object/array destructuring: Used heavily for props, state management (like Vuex/Pinia), and extracting values from objects in your code.
• Module syntax (import/export): This is how you’ll import Vue itself, components, plugins, and utilities in almost every Vue project.
• Spread/rest operators (...): Super useful for copying objects/arrays, passing props, and working with reactive data.

What you can skip (for now): #

You don’t need to deep-dive into every obscure ES6 feature right away. Things like generators, proxies (though Vue uses them under the hood), symbol types, or async iterators can wait until you actually encounter them in real Vue projects.

My recommended approach: #

1. Spend 1-2 days learning the core ES6 features listed above—focus on practical usage, not just theory. Write a few small scripts to practice them.
2. Start learning Vue.js immediately after that. As you work through tutorials or build small projects, whenever you hit an ES6 feature you don’t understand, pause to learn it then. This contextual learning is way more effective than memorizing ES6 in a vacuum.

For example: When you first create a Vue component and see export default { ... }, you’ll already know module syntax from step 1. If you later encounter a computed property using an arrow function, you’ll grasp why it’s used instead of a regular function.

This way, you’ll build your ES6 knowledge as you need it while making progress with Vue, which keeps you motivated and helps you retain what you learn.

内容的提问来源于stack exchange，提问作者Abolfazl Tabe Bordbar