Learn ELM with Real Code Examples

Todo list SPA

Interactive calculator

Data visualization charts

Simple game using Elm graphics

Live chat application using subscriptions

Check type errors in compiler messages

Ensure pattern matching is exhaustive

Validate that all side effects use Cmd or Sub

Test small components individually

Use Elm reactor for live reloading and debugging

Write unit tests for functions

Test Update functions with model inputs

Validate View output using virtual DOM snapshots

Use elm-test CLI for automated tests

Test integration with ports for JS interop

Compile Elm to JavaScript

Serve with any static web server

Bundle with webpack or parcel

Deploy to Netlify, Vercel, or static hosting

Use Elm alongside existing JS front-end frameworks

Elm compiler and REPL

Elm Reactor for development server

Elm-format for code formatting

Elm-test for unit testing

Elm-package for dependency management

JavaScript interop via ports

HTTP requests using elm/http package

WebSockets for real-time data

GraphQL APIs via elm-graphql

Integration with CSS frameworks via elm-css

Leverage TEA for predictable state management

Use Elm Reactor for live reloading

Format code consistently

Write modular and reusable functions

Integrate with JS via ports only when necessary

Create a dynamic todo list

Build a reactive counter app

Develop an interactive chart dashboard

Implement a small game using Elm graphics

Use subscriptions for real-time data updates