Learn SVELTE with Real Code Examples
Updated Nov 21, 2025
Practical Examples
Counter app with reactive variables
Animated card slider
Interactive charts dashboard
SvelteKit blog with SSR
PWA with offline caching
Troubleshooting
Check reactivity rules (assignments trigger updates)
Ensure store values are accessed via `$store`
Watch for missing `export let` when using props
Validate SvelteKit routing structure
Check build output for compile-time errors
Testing Guide
Unit test components with Vitest
Use Playwright for end-to-end tests
Mock stores and endpoints
Test transitions in isolation
Use Svelte Testing Library for DOM tests
Deployment Options
Static site export via SvelteKit
Deploy to Vercel, Netlify, Cloudflare Pages
SSG/SSR deployment with adapters
Dockerized deployments
Edge runtime via SvelteKit adapters
Tools Ecosystem
SvelteKit for full-stack apps
Svelte DevTools browser extension
Vite bundler support
Svelte Motion for animations
Svelte Navigator (router alternative)
Integrations
Tailwind CSS
GraphQL (urql, Apollo)
Firebase
Supabase
Testing with Vitest, Playwright
Productivity Tips
Use reactive declarations for cleaner logic
Split stores into modular files
Use transitions for delightful UX
Leverage SvelteKit load functions
Reuse patterns via slots and components
Challenges
Build a reactive todo app
Create an animated gallery
Implement a store-driven dashboard
Build a SvelteKit blog with SSR
Deploy an SPA to Vercel