Welcome to the Treehouse Library
This is a sample catalog of all the courses we offer. Browse by topic or difficulty. Sign up today and get access to our entire library. Treehouse students get access to workshops, bonus content, conferences, and more.
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JavaScript
JavaScript is a programming language that allows you to add interactivity to websites. It can be used to create interactive effects on web pages.
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Game Development with Phaser
Learn how to make your own video game in this beginner-friendly course designed to teach the fundamentals of the Phaser game engine. This course takes a hands-on approach to learning by showing you how to setup and create two games from scratch. With this step-by-step guidance, you will gain a solid understanding of the features of the Phaser game engine needed to create a fun game. By the end of the course, you'll not only have two games to show for your effort, but you'll also gain the skills and confidence to build a game of your own.
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React Basics
React is a JavaScript library for building user interfaces. React makes building and maintaining your application's user interface faster and easier by breaking it up into smaller, reusable components. It also helps eliminate the complexity of updating your DOM elements when the user interacts with your application.
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React Authentication
In this course, you will learn how to implement the Basic Authentication scheme in a React application using an Express REST API.
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TypeScript Basics
Dive into the basics of TypeScript, an open-source programming language created by Microsoft that shares the same basic syntax as JavaScript. In this beginner course, you'll explore using, creating, and manipulating types to help you write robust and readable code.
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React Router v6 Basics
Learn to use React Router v6, a declarative routing solution for React, to manage the navigation and rendering of components in your applications.
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React Components
Components are the core building blocks of a React application. This course will level-up your React skills by providing a better understanding of functional components, state and lifecycle methods, and how to split your UI into reusable and composable components.
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Node.js Basics
In this course we will create two command line applications using the popular server-side JavaScript platform Node.js. We'll be creating an application to retrieve a student's Treehouse profile information and be working with a dictionary API to retrieve definitions of a given word.
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npm Basics
npm is a command line tool to help you manage Node.js modules, and this course will get you up and running with npm.
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JavaScript and the DOM
JavaScript lets you create interactive web pages which can respond to a user's actions. In this course, you'll learn how to bring web pages to life using the power of JavaScript.
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Interacting with the DOM
Along with selecting DOM elements in JavaScript we can also write code that gives elements behavior. In this course we will first explore how to watch for interaction and respond using the method addEventListener. We'll learn about different types of events and how we can use the relationships between elements to write more powerful code.
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REST API Validation with Express
Explore how to validate data on the server using a REST API developed with Node.js and Express. The API will allow you to create a user account and retrieve a list of user accounts.
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Data Relationships with SQL and Sequelize
As you follow along in this course, you'll define data relationships for a simple Node application that creates and retrieves movie data. You'll define data relationships in Sequelize models, and create related data (like Movie and Person records) using those models. Then you'll retrieve related data with Sequelize queries.
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JavaScript Objects
Objects are an essential part of JavaScript; they provide a flexible way to keep track of data by associating a name with a particular value. In this course, you'll learn the basics of JavaScript objects as a data structure (using objects to store key/value pairs).
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JavaScript Arrays
Arrays provide a way to store multiple pieces of information. An array is a list of values: numbers, strings, boolean values, or even other arrays. In this course, you'll learn the basics of using arrays as data structures.
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JavaScript Loops
Loops are a way of repeating code -- they're handy for repetitive tasks. Loops are frequently used for actions that need to run a particular number of times or until a certain condition is true.
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JavaScript Functions
JavaScript functions let you create reusable chunks of code. They make programming faster, easier, and less error-prone. They are also one of the essential concepts in JavaScript programming.
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JavaScript Numbers
Numbers are everywhere in programming. You use them to track a player's score in a game, calculate the cost of shipping a product, or count the number of times a "Like" button gets clicked on a page. In this course, you'll learn how to use numbers for useful tasks in your JavaScript programs, including doing math, converting strings to numbers, generating random numbers, and more.
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JavaScript Basics
JavaScript is a programming language that drives the web: from front-end user interface design to server-side backend programming, you'll find JavaScript at every stage of a website and web application. In this course, you'll learn the fundamental programming concepts and syntax of the JavaScript programming language.
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Using SQL ORMs with Node.js
In this course, you'll learn how to use the Sequelize ORM to leverage the power of SQL within your Node.js applications.
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AJAX Basics
AJAX is an important front-end web technology that lets JavaScript communicate with a web server. It lets you load new content without leaving the current page, creating a better, faster experience for your website's visitors. In this course, you'll learn how AJAX works and how you can use JavaScript to communicate with a web server. We'll use plain JavaScript to create AJAX requests and use the response to dynamically update your web pages. Along the way, you'll build mini-projects to reinforce your learning.
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Asynchronous Programming with JavaScript
In this course, you will learn why asynchronous code matters and how to write code that avoids blocking behavior using three approaches: callbacks, promises, and async/await.
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REST APIs with Express
Learn the basics of building out a REST API with Express, a popular framework written for Node.js.
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Asynchronous Code in Express
In this course, we’ll look more closely at three approaches to handling asynchronous operations in Express: callbacks, promises, and async/await.
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CSS Selectors Quickstart
An introduction to CSS selectors for JavaScript programmers. This course covers what you need to know about CSS selectors to complete common DOM programming tasks.
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Practice Object Interaction
Get more familiar with building different classes, instantiating objects and having those objects interact with one another in a complete app.
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Practice Classes in JavaScript
Practice building and working with classes in JavaScript.
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Practice Getters and Setters in JavaScript
Practice writing and using getters and setters in JavaScript classes.
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Practice Object Basics in JavaScript
Practice working with object literals in JavaScript.
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Object-Oriented JavaScript: Challenge
Practice your object-oriented JavaScript skills by building a fun and interactive 'Four in a Row' game.
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JavaScript Quickstart
Get up to speed with the basics of JavaScript. In this course, you'll learn the fundamental concepts and syntax of the JavaScript programming language.
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The JavaScript Ecosystem
In this course, we'll explore the exciting JavaScript ecosystem. You'll learn how Node.js helped JavaScript reach new heights, discover applications and tools built with JavaScript, and evaluate popular JavaScript frameworks, libraries, developer roles, and more.
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Vue.js Basics
Vue.js is a front end JavaScript framework with a gentle learning curve. Vue’s lower barrier to entry, ease of use and fantastic documentation make it a fun and accessible technology. In this course, you’ll learn fundamental concepts that will help you get up and running with Vue. You’ll also gain skills and foundational knowledge that will help prepare you to tackle the complexities of other frameworks.
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The Landscape of JavaScript
JavaScript is everywhere and used in all phases of development from software to hardware. This course walks you through the modern landscape of JavaScript, and what it means to learn and program with JavaScript now and beyond.
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Object-Oriented JavaScript
In this course, you'll learn the basics of object-oriented programming in JavaScript along with the new ES2015 Class syntax.
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jQuery Basics
jQuery is an immensely popular JavaScript library used to add interactivity to webpages. It's a mature and robust tool that can help you build confidence as a developer by helping you quickly and easily get projects up and running. This course explores the fundamentals of manipulating elements on a webpage and responding to user interactions. We cover what jQuery is, why you'd want to use it, and how to include it in your projects. Throughout the course, you'll use jQuery to enhance several small projects and learn how to add a level of flair and interactivity to any site you work on.
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Practice forEach in JavaScript
Now that you've learned about JavaScript's forEach method, practice using it with this series of challenges.
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Getting Started With ES2015
ES2015, also called ES6, is a newer version of the JavaScript language that’s well supported in browsers and commonly used by programmers. In this course, you'll get up-to-speed with ES2015 basics and be well on your way to writing modern JavaScript. You'll learn best practices for creating variables, using the let and const keywords, and a better way to concatenate string values using template literals. You'll also learn the compact syntax for creating functions using "arrow syntax."
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JavaScript Array Iteration Methods
Learn how to access and transform data in arrays with JavaScript's array iteration methods. You'll learn how, why, and when to use these powerful methods to make your code easier to read and more concise.
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React by Example
Learn React programming patterns by building an application for keeping track of RSVP's! We'll start at the beginning, using create react app (https://github.com/facebookincubator/create-react-app) to initialize the project, and by the end you'll have a functional application.
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Regular Expressions in JavaScript
Learn how regular expressions can help you validate forms, search and replace strings, and more. Regular expressions match patterns in strings. Pattern matching is a powerful tool that programs can use to "understand" the text users type in.
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Introducing JavaScript
Learn the fundamentals of programming by building a JavaScript video game. This fun, exploratory course teaches you basic concepts like variables, values, conditional statements and functions by interactively playing with code while creating a game.
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Callback Functions in JavaScript
Callback functions are a foundational concept in JavaScript. Callbacks are used in timers, user interaction events, loading data from a server, and used in Node.js. Whether you're a budding front end or back end developer, callbacks are everywhere!
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Express Basics
Learn how to use Express.js to build dynamic websites on the Node.js platform. In the process, you'll learn some fundamental HTTP concepts that you can apply to any other framework!
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DOM Scripting By Example
Use JavaScript to build an RSVP web application. Many of the features you'll build are common to other web applications. When you're done programing the app, you'll have the basics you will need to build any client-side web app.
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Introducing ES2015
Learn the basics of the ECMAScript 2015, also known as ES6, JavaScript standard. JavaScript has come a long way since it’s inception in 1995. The ECMAScript 2015 specification brought a lot of improvements, the largest set of changes the language has seen to-date. In this course, we’ll review some of the new features and demonstrate how they can be used to build better JavaScript applications.
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User Authentication With Express and Mongo
Learn how to implement a custom user authentication system that controls users access to web resources using Node.js using Express and MongoDB. The system lets users sign up, log in, and log out, limiting access to password-protected resources. Express is a popular web framework for creating MVC applications and RESTful APIs in Node.js. Express lets developers define routes and middleware for submitting and retrieving data in our database. We will leverage the document based NoSQL database, MongoDB, to store our user data by creating a user model with mongoose. Mongoose is an open source Node package for defining data models for an application and connecting to MongoDB.
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JavaScript Unit Testing
In this course, you’ll use Behavior Driven Development to write unit tests for your functions with the JavaScript testing framework Mocha.js. Writing unit tests will help you improve your code before you even start writing it. You’ll have fewer problems, and better understand the problems you do have.
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Using jQuery Plugins
jQuery plugins let you add interactive page effects, engaging user interfaces, and eye grabbing additions to your web pages. In this course, you'll learn how to find and use these free and easy to use programs that take advantage of the power of jQuery.
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Build a Simple Dynamic Site with Node.js
Node.js is a versatile platform for building all sorts of applications. In this course, we're going to make a dynamic website that displays a Treehouse student's profile information by creating a server that will dynamically generate content, handle URLs, read from files and build a simple template engine.
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Treehouse Club: JavaScript
In the Car Sounds project, you learn how to edit pre-written HTML, CSS, and JavaScript code to add functionality to a web page. Some features you will use are buttons, audio tags, and JavaScript events.
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