Introduction to Vue.js 3 for beginners

Get started with Vue.js 3: components, reactivity and the Composition API explained simply for developers new to modern frameworks.

Vue.js 3 is a progressive and approachable JavaScript framework. ## Why Vue.js? - A gentle learning curve - Excellent documentation - A complete ecosystem - Great performance ## Composition API The new way to write components: ```javascript import { ref, computed } from 'vue' export default { setup() { const count = ref(0) const double = computed(() => count.value * 2) function increment() { count.value++ } return { count, double, increment } } } ``` ## Reactivity Vue automatically tracks dependencies and updates the DOM. ## Ecosystem - **Vue Router**: SPA routing - **Pinia**: state management - **Vite**: an ultra-fast build tool Vue.js 3 is a perfect way to get started with modern frameworks.