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A gentle introduction to Elm programming language

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Overview

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This beginner course introduces Elm programming from installation and basic syntax through the Elm Architecture, HTTP requests, single-page applications, and JavaScript interoperation.

Syllabus

Introduction Get your feet wet with Elm
  • 01 Introduction
    • Why Elm?
    • Who This Book is For
    • Conventions Used in This Book
    • Acknowledgements
    • About the Author
  • 02 Getting Started
    • Installation
    • Building a Simple Web Page
    • Elm Platform
    • Elm Programming Language
    • Elm Compiler
    • Elm Architecture
    • Elm Runtime
    • elm make
    • elm install
    • elm reactor
    • elm repl
    • Ellie
    • Conclusion
Syntax & Semantics Learn Elm from the ground up
  • 03 Elm Language Basics
    • Simple Arithmetic
    • Boolean
    • Comparison
    • Comments
    • Expression
    • Value
    • Constant
    • If Expression
    • Function
    • Let Expression
    • Case Expression
    • Indentation
    • String
    • Regular Expression
    • List
    • Array
    • Tuple
    • Record
    • Conclusion
  • 04 Benefits of Using Elm
    • Immutability
    • Pure Functions
    • Solving Complex Problems with Simple Functions
    • Easy to Test
    • Type System
    • Easier Code Organization
    • Fuzz Testing
    • Pattern Matching
    • Conclusion
Architecture Understand how the Elm Architecture helps us build robust front-end web applications
  • 05 Elm Architecture
    • Model View Update - Part 1
    • Virtual DOM
    • Model View Update - Part 2
    • Side Effects
    • Commands
    • Conclusion
  • 06 HTTP Requests
    • Fetching Data Using GET
    • Decoding JSON - Part 1
    • Decoding JSON - Part 2
    • RemoteData
    • Retrieving Data on Initialization
    • Conclusion
  • 07 Single-Page Apps
    • What is a Single-Page App?
    • Restructuring Code
    • Creating Post Module
    • Creating List Posts Page
    • Navigating to List Posts Page
    • Editing a Post
    • Deleting a Post
    • Creating a New Post
    • Conclusion
  • 08 Interact with JavaScript
    • Sending Data to JavaScript
    • Subscriptions
    • Receiving Data from JavaScript
    • Protecting Boundaries between Elm and JavaScript
    • Saving App State in Local Storage
    • Retrieving App State from Local Storage
    • Interacting with Web Components
    • Conclusion
    • Where To Go From Here?

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