Learn VUE-JS with Real Code Examples
Updated Nov 21, 2025
Architecture
Component-based architecture
Reactive rendering with a virtual DOM
Template, script, and style encapsulation in `.vue` files
Optionally integrates with Vue Router for SPA routing
Vuex/Pinia for centralized state management
Rendering Model
Virtual DOM for efficient updates
Reactive data triggers DOM changes automatically
Template syntax compiled to render functions
Component reusability and encapsulation
Optional server-side rendering with Nuxt.js
Architectural Patterns
Component-based architecture
Reactive programming with Vue reactivity
State management with Vuex/Pinia
Event-driven communication via props and custom events
Composition API for modular logic
Real World Architectures
Dashboard applications
E-commerce SPAs
Progressive web apps
Server-side rendered apps with Nuxt.js
Component libraries for design systems
Design Principles
Progressive framework: adoptable incrementally
Declarative and reactive rendering
Component-based architecture
Lightweight and performant
Strong tooling and ecosystem support
Scalability Guide
Split components into reusable modules
Use centralized state management
Lazy-load routes and components
Optimize reactivity for large datasets
Monitor performance with Vue DevTools
Migration Guide
Upgrade from Vue 2 to Vue 3 using migration build
Refactor Options API to Composition API if desired
Update dependencies to Vue 3 compatible versions
Test components thoroughly
Adapt custom directives and plugins