Vue JS Tutorial

Learn Vue JS
From Scratch

Vue.js is a progressive JavaScript framework for building user interfaces. Master the Composition API, reactivity system, components, routing with Vue Router, and state management with Pinia.

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About Vue JS

Vue.js was created by Evan You in 2014 after working at Google on AngularJS. It is a progressive JavaScript framework - you can adopt it incrementally, using it for just a part of your page or as a full-featured SPA framework. Vue 3 introduced the Composition API, improved TypeScript support, and a faster reactivity system. It is known for its gentle learning curve and excellent documentation.

Prerequisites

Good understanding of HTML, CSS, and JavaScript (ES6+) is required before learning Vue.js.

Audience

Front-end developers and JavaScript engineers who want to build reactive, component-based UIs.

What You'll Learn

Components, reactivity, directives, Composition API, Vue Router, Pinia, and TypeScript.

Tools Needed

Node.js, npm/yarn, VS Code with Volar extension, Vue DevTools, and Vite for project scaffolding.

Tutorial Topics

Introduction 01 Getting Started 02 Template Syntax 03 Reactivity 04 Conditional Rendering 05 Lists & Keys 06 Computed Properties 07 Watchers 08 Directives 09 Event Handling 10 Components 11 Slots 12 Template Refs 13 Lifecycle Hooks 14 Provide / Inject 15 Forms - v-model 16 Transitions & Animations 17 Async Components 18 Custom Directives 19 Plugins 20 Error Handling 21 Performance 22 Vue Router 23 Pinia 24 Composables 25 TypeScript 26 Testing 27

Why Learn Vue JS?

Gentle Learning Curve - Vue is considered the easiest major JavaScript framework to learn.
Progressive - Adopt incrementally; use as a library or a full-featured framework.
Composition API - Vue 3's Composition API enables better code organization and reuse.
Excellent Performance - Vue 3 is significantly faster than Vue 2 with a smaller bundle size.
Great Ecosystem - Vue Router, Pinia, Nuxt.js, and Vite make full-stack Vue development a joy.
Growing Demand - Widely adopted in Asia and growing globally, especially with Nuxt.js for SSR.

Key Takeaways

This chapter on Home focuses on practical Vue 3 patterns used in real projects.
Prefer the Composition API with script setup for cleaner and more scalable component logic.
Keep components focused and move reusable logic into composables when complexity grows.
Use Vue Devtools to inspect component state, props, emits, and performance during development.
Write small experiments for each concept before applying it in production code.
After finishing this chapter, continue to the next related topic in the Vue roadmap.