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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7 minPractice
Practice ExpressJS: Middleware
Practice middleware in ExpressJS by replicating user authentication and controlling access to protected routes.
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3 minPractice
Practice Web Accessibility: Checkboxes
Practice web accessibility by adding focus states to checkbox inputs with JavaScript.
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4 minPractice
Practice DOM Manipulation: Modal
Practice DOM Manipulation with JavaScript by creating a modal.
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7 minPractice
Practice Filtering Paginated Data
Practice implementing user-friendly data filtering and displaying the paginated results using JavaScript event listeners.
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4 minPractice
Practice DOM Manipulation: Checkboxes
Practice DOM Manipulation with JavaScript by conditionally disabling checkboxes.
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11 minPractice
Practice React Component Rendering
Sharpen your React skills by practicing JSX, creating and rendering components, passing down props, as well as iterating over data, and more.
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10 minPractice
Practice Data Pagination
Practice data pagination with JavaScript to enhance user experience and optimize web performance by efficiently managing and displaying large datasets.
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5 minPractice
Practice Fetch API
Practice Fetch API using the REST Countries API.
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8 minPractice
Practice Dynamic Select Menus
Practice creating intuitive and error-proof web forms using JavaScript to automatically update select menu options as users make choices.
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4 minPractice
Practice JavaScript Basics: Conditional Strings
Practice conditional strings with JavaScript.
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6 minPractice
Practice DOM Manipulation: Form Validation
Practice DOM Manipulation with JavaScript.
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35 minWorkshop
Auto User Search with JavaScript - Treehouse Live
Need practice working with the Document Object Model (DOM)? This project showcases some of the core concepts needed to interact with and manipulate the DOM. Follow along as Dustin builds a searchable input field that filters users based on your search query!
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5 minWorkshop
JavaScript Array Methods: filter()
Have you ever needed to filter array elements by certain criteria? For example, to get numbers within a range, or strings that contain certain characters? Luckily, there is an easy way to do this in JavaScript by using the filter() method. Follow along as Dustin dives into how to use this method and what it can do. Then, he offers a challenge (and a solution) so you can get some practice using it right away.
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15 minPractice
Practice State in React
Practice initializing and managing state in React by building a star rating component.
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12 hoursConference
Treehouse Festival December 2020
Treehouse Festival is an online conference designed for Treehouse students and all aspiring developers and designers. The presentations will empower those that attend with skills and a network to transition to a tech career or level-up in their current roles. Sessions include “Designing with a Developer Mindset,” “Computer Science, Emulation, and the NES,” “Interview with a Treehouse Grad”, and more!
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11 minPractice
Practice Hooks in React
Practice React's built-in useContext and useState Hooks to update an app with user authentication.
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16 minWorkshop
Structuring Your JavaScript Code
Improve the quality of your code by applying the principles of narrative flow, iterative coding, KISS, DRY, and JavaScript Best Practices.
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9 minPractice
Practice Error Handling in Express
In this practice session, you'll get to sharpen your error handling skills in Express. Handling errors well helps users understand what's going on with your app when something goes wrong.
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15 minPractice
Practice JavaScript Loops
Build up your JavaScript skills by practicing the basics of loops.
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9 minPractice
Practice Serving Static Files in Express
Practice the basics of serving static files in Express, a popular web application framework.
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10 minPractice
Practice Using Data with Pug Templates
Practice the basics of passing data to Pug views and generating HTML dynamically within an Express application.
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14 minPractice
Practice Importing and Exporting Modules in Node.js
Practice the basics of importing and exporting modules in Node.js.
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Practice
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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
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Practice Classes in JavaScript
Practice building and working with classes in JavaScript.
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Practice
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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
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Practice Object Basics in JavaScript
Practice working with object literals in JavaScript.
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Practice
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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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5 minPractice
Practice Vue.js Templating
Practice displaying data in a Vue.js template, as well as adding functionality to templates with Vue directives and methods.
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9 minPractice
Practice Vue.js List Rendering
Practice list rendering, writing methods, computed properties and adding functionality to forms with Vue.js
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26 minPractice
Practice Basic Arrays in JavaScript
Practice creating array literals, accessing array items, and using array methods to add and remove array items.
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8 minPractice
Practice Basic jQuery Methods
Practice enhancing small projects using a variety of jQuery methods.
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6 minPractice
Practice Working with jQuery Collections
Practice working with collections in JQuery.
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8 minPractice
Practice Handling Events in jQuery
Practice responding to user actions with jQuery.
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8 minPractice
Practice Let and Const in JavaScript
Practice working with let and const variables in JavaScript.
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8 minPractice
Practice Arrow Functions in JavaScript
Practice arrow function syntax in JavaScript.
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4 minPractice
Practice Hashing Passwords in JavaScript
When storing users' passwords, the most important thing to keep in mind is that you should always hash your passwords. Hashing is a one-way process of securing data with a strong algorithm. As of 2017, the accepted hashing algorithm is bcrypt.
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8 minPractice
Practice Selecting DOM Elements
In this workshop, you will practice selecting DOM elements with JavaScript.
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20 minPractice
Practice Object Literals in JavaScript
Practice creating, using and modifying simple object literals in JavaScript
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5 minPractice
Practice Traversing the DOM
Practice Traversing the DOM in JavaScript.
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5 minPractice
Practice Template Literals
Practice using template literals in JavaScript.
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8 minPractice
Practice Manipulating the DOM
Practice Manipulating the DOM with JavaScript.
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Practice
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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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Course
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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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8 minPractice
Practice JavaScript Math Methods
Practice using JavaScript's math methods to add, subtract, multiply, divide, as well as to convert strings to numbers.
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7 minPractice
Practice If and Else If Statements in JavaScript
Practice simple conditional statements in JavaScript.
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7 minPractice
Practice Basic JavaScript Functions
Practice creating basic JavaScript functions, adding parameters, calling functions and passing values.
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10 minWorkshop
Code Coverage with Istanbul
Code coverage is the development practice in seeing how much of your code is covered by tests. We'll use the Node.js module Istanbul in this workshop to illustrate code coverage in Node.js projects.
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5 hoursBonus Series
The Treehouse Show
The Treehouse Show is our weekly conversation with the Treehouse Community.
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6 minPractice
Practice Basic Variables, Input & Output in JavaScript
Practice creating variables, working with input and alert dialog boxes, concatenating strings and using JavaScript string methods.
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45 minBonus Series
Learn React Panel
James Churchill moderates a panel discussion with Jared Schaab, Joe Fraley, and Beau Palmquist on the state of React in development today. They will discuss the best ways to learn React, how its being used in both professional and personal development projects, and will give advice to students on best practices.
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3 hoursBonus Series
Treehouse Quick Tips
Treehouse Quick Tips are fast and easy lessons that you can start applying now. Learn to create stunning designs in Photoshop, beautiful websites, and useful mobile apps for Android and iOS.
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30 hoursBonus Series
The Treehouse Show (2012 - 2015)
The Treehouse Show is your weekly dose of web design and web development news, hosted by Nick Pettit and Jason Seifer.
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