Achievement

Exploring Arrays

Introduction to Data Structures

Achievement

Managing State and Data Flow

React Components

Achievement

Serving Static Files in Express

Express Basics

Achievement

Applying Express Knowledge

Express Basics

Achievement

Middleware

Express Basics

Achievement

Deeper into Routing with Express

Express Basics

Achievement

Using Templates with Express

Express Basics

Achievement

Recursion and Space Complexity

Introduction to Algorithms

Achievement

Algorithms in Code

Introduction to Algorithms

Achievement

Time Complexity

Introduction to Algorithms

Achievement

Getting Started with Express

Express Basics

Achievement

Playing a Counting Game

Introduction to Algorithms

Achievement

Getting the REST You Need 2

Introduction to REST APIs

Achievement

Starting a Freelance Career

How to Freelance

Achievement

JavaScript Tools and Workflows

The Landscape of JavaScript

Achievement

JavaScript is Everywhere

The Landscape of JavaScript

Achievement

Putting it all Together

Building Applications with React and Redux

Achievement

Actions, Dispatch and Reducers. Oh my!

Building Applications with React and Redux

Achievement

Modularizing the React Scoreboard Application

Building Applications with React and Redux

Achievement

Why React Native

Introduction to React Native

Achievement

Getting Started with Redux

Building Applications with React and Redux

Achievement

Making Strong Users

Build a Social Network with Flask

Achievement

Going Further with Routing

React Router 4 Basics

Achievement

Navigating, Nesting and Redirecting Routes

React Router 4 Basics

Achievement

Getting Started with React Router

React Router 4 Basics

Achievement

Refining the App

React by Example

Achievement

Building the Application

React by Example

Achievement

Gettin' CRUD-y With It

Using Databases in Python

Achievement

Our Diary App

Using Databases in Python

Achievement

Setting up with Create React App

React by Example

Achievement

Meet Peewee

Using Databases in Python

Achievement

Character Builder

Flask Basics

Achievement

Flask Templates

Flask Basics

Achievement

Welcome to Flask

Flask Basics

Achievement

Component Lifecycle

React Basics (retired)

Achievement

Designing Dataflow

React Basics (retired)

Achievement

Handling Errors When Manipulating Data

Modifying Data with SQL

Achievement

Deleting Data from a Database

Modifying Data with SQL

Achievement

Updating Data in a Database

Modifying Data with SQL

Achievement

Adding Data to a Database

Modifying Data with SQL

Achievement

Finding the Data You Want

SQL Basics

Achievement

Getting Data from a Database

SQL Basics

Achievement

Data, Databases and SQL

SQL Basics

Achievement

Working with Classes in JavaScript

Object-Oriented JavaScript

Achievement

Object Basics

Object-Oriented JavaScript

Achievement

Introduction to Object-Oriented JavaScript

Object-Oriented JavaScript

Achievement

Stateful Components

React Basics (retired)

Achievement

Thinking in Components

React Basics (retired)

Achievement

First Steps in React

React Basics (retired)

Achievement

Python Tuples

Python Collections (2016, retired 2019)

Achievement

Python Dictionaries

Python Collections (2016, retired 2019)

Achievement

Python Slices

Python Collections (2016, retired 2019)

Achievement

Writing a Classifier

Machine Learning Basics

Achievement

Machine Learning Vocabulary

Machine Learning Basics

Achievement

Introduction to Machine Learning

Machine Learning Basics

Achievement

Python Lists

Python Collections (2016, retired 2019)

Achievement

Letter Game App

Python Basics (2015)

Achievement

HTTP Methods and Headers

Build a Simple Dynamic Site with Node.js

Achievement

Creating a Basic Template Engine in Node.js

Build a Simple Dynamic Site with Node.js

Achievement

Handling Routes in Node.js

Build a Simple Dynamic Site with Node.js

Achievement

Creating a Simple Server in Node.js

Build a Simple Dynamic Site with Node.js

Achievement

Behavior Driven Development with Mocha & Chai

JavaScript Unit Testing

Achievement

Introducing Unit Testing

JavaScript Unit Testing

Achievement

Creating a Command Line Weather Application

Node.js Basics

Achievement

Handling Errors in Node

Node.js Basics

Achievement

Getting Data From an API With Node

Node.js Basics

Achievement

Introduction to Node.js

Node.js Basics

Achievement

What is Agile?

Scrum Basics

Achievement

Maintaining Secure Web Apps

Introduction to Application Security

Achievement

Protecting Data and Keeping Attackers Out

Introduction to Application Security

Achievement

Improving your Gulp Workflow

Gulp Basics

Achievement

Compile Sass with Gulp

Gulp Basics

Achievement

Gulp your JavaScript workflow!

Gulp Basics

Achievement

Number Game App

Python Basics (2015)

Achievement

Shopping List App

Python Basics (2015)

Achievement

Why Protect Your Web Apps

Introduction to Application Security

Achievement

Logic in Python

Python Basics (2015)

Achievement

Python Data Types

Python Basics (2015)

Achievement

Python For Beginners

Python Basics (2015)

Achievement

Classes

Introducing ES2015

Achievement

Objects and New Collection Types

Introducing ES2015

Achievement

The Cooler Parts of ES2015

Introducing ES2015

Achievement

Welcome to Gulp.js

Gulp Basics

Achievement

Updating and Uninstalling Packages with npm

npm Basics

Achievement

Combining Array Methods

JavaScript Array Iteration Methods

Achievement

Installing Packages with npm

npm Basics

Achievement

What is npm?

npm Basics

Achievement

ES2015 Basics

Introducing ES2015

Achievement

Array Manipulation

JavaScript Array Iteration Methods

Achievement

Array Iteration

JavaScript Array Iteration Methods

Achievement

Create Function Using Arrow Syntax

Getting Started With ES2015

Achievement

Using Template Literals

Getting Started With ES2015

Achievement

Defining Variables With let and const

Getting Started With ES2015

Achievement

Using a jQuery Carousel

Using jQuery Plugins

Achievement

Add a Sticky Navigation Bar

Using jQuery Plugins

Achievement

Introducing jQuery Plugins

Using jQuery Plugins

Achievement

Improving the Application Code

DOM Scripting By Example

Achievement

Editing and Filtering Names

DOM Scripting By Example

Achievement

Adding and Removing Names

DOM Scripting By Example

Achievement

Quiz Practice Project

Object-Oriented JavaScript (2015)

Achievement

Prototypal Inheritance

Object-Oriented JavaScript (2015)

Achievement

Constructor Functions & Prototypes

Object-Oriented JavaScript (2015)

Achievement

Introduction to Methods

Object-Oriented JavaScript (2015)

Achievement

Traversing the DOM

JavaScript and the DOM

Achievement

Responding to User Interaction

JavaScript and the DOM

Achievement

Making Changes to the DOM

JavaScript and the DOM

Achievement

Getting a Handle on the DOM

JavaScript and the DOM

Achievement

The Browser Environment

JavaScript and the DOM

Achievement

Finishing the Game

Introducing JavaScript

Achievement

Introducing JavaScript

Introducing JavaScript

Achievement

DOM Traversal

Introduction to jQuery

Achievement

DOM Manipulation

Introduction to jQuery

Achievement

Events

Introduction to jQuery

Achievement

Hello, jQuery!

Introduction to jQuery

Achievement

Callbacks and the DOM

Callback Functions in JavaScript

Achievement

Callbacks with Timers

Callback Functions in JavaScript

Achievement

Introduction to Callback Functions

Callback Functions in JavaScript

Achievement

AJAX and APIs

AJAX Basics (retiring)

Achievement

jQuery and AJAX

AJAX Basics (retiring)

Achievement

Programming AJAX

AJAX Basics (retiring)

Achievement

AJAX Concepts

AJAX Basics (retiring)

Achievement

Advanced Variables, Mixins, Functions, and Placeholders

Advanced Sass

Achievement

Getting Started with Advanced Sass

Advanced Sass

Achievement

Modular Media Queries

Modular CSS with Sass

Achievement

Sass Grid System

Modular CSS with Sass

Achievement

SMACSS and Sass

Modular CSS with Sass

Achievement

Sass and BEM

Modular CSS with Sass

Achievement

Getting Modular with Mixins and Functions

Modular CSS with Sass

Achievement

Combine and Minify Assets

Introduction to Front End Performance Optimization

Achievement

Optimize Assets

Introduction to Front End Performance Optimization

Achievement

Measuring Performance

Introduction to Front End Performance Optimization

Achievement

Planning for Performance

Introduction to Front End Performance Optimization

Achievement

Debugging, Best Practices, and Production

CSS to Sass

Achievement

Refactoring with Sass

CSS to Sass

Achievement

Installing Sass and Setting up the Project

CSS to Sass

Achievement

Add Reusable Logic to Your Sass

Sass Basics

Achievement

Write Smart and Efficient CSS with Sass

Sass Basics

Achievement

Improve Your Workflow with Sass

Sass Basics

Achievement

Getting Started with Sass

Sass Basics

Achievement

Keyframe and Line Drawing Animations

Animating SVG with CSS

Achievement

Transitions and Transforms

Animating SVG with CSS

Achievement

Building Forms With Bootstrap

Bootstrap 4 Basics

Achievement

Using Bootstrap Components

Bootstrap 4 Basics

Achievement

Responsive Layouts With the Bootstrap Grid

Bootstrap 4 Basics

Achievement

Getting to Know Bootstrap 4

Bootstrap 4 Basics

Achievement

Creating an SVG

SVG Basics

Achievement

Introduction to SVG

SVG Basics

Achievement

Adding 3D Effects with CSS

CSS Transitions and Transforms

Achievement

Getting Started with CSS Transforms

CSS Transitions and Transforms

Achievement

Transition Timing Functions and Delays

CSS Transitions and Transforms

Achievement

Getting Started with CSS Transitions

CSS Transitions and Transforms

Achievement

Testing for Accessibility

Web Accessibility Compliance

Achievement

Mobile Accessibility

Web Accessibility Compliance

Achievement

Accessible UI Patterns

Web Accessibility Compliance

Achievement

Semantic HTML and WAI-ARIA

Web Accessibility Compliance

Achievement

WCAG 2.0 (and Other Standards)

Web Accessibility Compliance

Achievement

Access for Everybody

Web Accessibility Compliance

Achievement

Get Involved in Open Source

GitHub Basics

Achievement

Create a Web Presence on GitHub

GitHub Basics

Achievement

Working on a Team

GitHub Basics

Achievement

Working By Yourself

GitHub Basics

Achievement

Hello, GitHub!

GitHub Basics

Achievement

Workflows

Git Basics

Achievement

Working With Remote Repositories

Git Basics

Achievement

Merging

Git Basics

Achievement

Branches

Git Basics

Achievement

Getting Started With Git

Git Basics

Achievement

Why Version Control Matters

Git Basics

Achievement

What's New in Foundation 5

Framework Basics

Achievement

Build a Website With Foundation

Framework Basics

Achievement

Prototyping With Foundation

Framework Basics

Achievement

Building Forms with Bootstrap

Bootstrap 4 Basics (Retired)

Achievement

Using Bootstrap Components

Bootstrap 4 Basics (Retired)

Achievement

Responsive Layouts with the Bootstrap Grid

Bootstrap 4 Basics (Retired)

Achievement

Getting to Know Bootstrap 4

Bootstrap 4 Basics (Retired)

Achievement

Build a Website With Bootstrap

Framework Basics

Achievement

Prototyping With Bootstrap

Framework Basics

Achievement

Introduction to Front-End Frameworks

Framework Basics

Achievement

GET and POST Requests in a Browser

HTTP Basics

Achievement

Introduction to HTTP

HTTP Basics

Achievement

DNS Basics

Technology Foundations

Achievement

Graphic Basics

Technology Foundations

Achievement

Lists, Code, Links and Images

Markdown Basics

Achievement

Understanding Markdown

Markdown Basics

Achievement

Installing Programs

Console Foundations

Achievement

Environment and Redirection

Console Foundations

Achievement

Console Processes

Console Foundations

Achievement

Console Users and Permission

Console Foundations

Achievement

Moving Around in the Console

Console Foundations

Achievement

Chrome DevTools Basics

Website Optimization

Achievement

Captioning Video

HTML Video and Audio

Achievement

Media Basics

HTML Video and Audio

Achievement

MASH JavaScript

Treehouse Club - MASH

Achievement

MASH CSS

Treehouse Club - MASH

Achievement

MASH HTML

Treehouse Club - MASH

Achievement

Treehouse Club - JavaScript

Treehouse Club: JavaScript

Achievement

Moving Forward with UX

UX Basics

Achievement

Tools UXers Use

UX Basics

Achievement

How UXers Think

UX Basics

Achievement

What Do User Experience Designers Do?

UX Basics

Achievement

What is User Experience (UX)?

UX Basics

Achievement

WWW

How the Web Works

Achievement

Creating a Simple Drawing Application

jQuery Basics (2014)

Achievement

Final Project: Create a Typographic Site

Web Typography

Achievement

Laying Out Type for the Web

Web Typography

Achievement

Basic Web Typography

Web Typography

Achievement

How to Choose and Use Webfonts

Web Typography

Achievement

Introduction to Typography

Web Typography

Achievement

The Internet

How the Internet Works

Achievement

Color Theory

Aesthetic Foundations

Achievement

Principles

Aesthetic Foundations

Achievement

Elements

Aesthetic Foundations

Achievement

Design Patterns

Prototyping in the Browser

Achievement

Page Layout

Prototyping in the Browser

Achievement

Exploration

Web Design Process

Achievement

Discovery

Web Design Process

Achievement

Improving Usability

Usability Foundations

Achievement

Mobile Usability

Usability Foundations

Achievement

Website Usability

Usability Foundations

Achievement

What is Usability?

Usability Foundations

Achievement

Web Apps

Accessibility

Achievement

Websites

Accessibility

Achievement

Introduction

Accessibility

Achievement

Better SEO Through Tools

SEO Basics

Achievement

Better SEO Through Code

SEO Basics

Achievement

Creating a Password Confirmation Form

jQuery Basics (2014)

Achievement

Creating a Mobile Drop Down Menu

jQuery Basics (2014)

Achievement

Creating a Simple Lightbox

jQuery Basics (2014)

Achievement

Creating a Spoiler Revealer

jQuery Basics (2014)

Achievement

Website Basics

Website Basics

Achievement

Treehouse Club - CSS

Treehouse Club: CSS

Achievement

Computer Languages

Computer Basics

Achievement

Computer Basics

Computer Basics

Achievement

Forms

HTML

Achievement

Tables

HTML

Achievement

Objects

HTML

Achievement

Links

HTML

Achievement

Lists

HTML

Achievement

Text

HTML

Achievement

Introduction

HTML

Achievement

Debugging HTML and CSS Problems

How to Make a Website

Achievement

Sharing a Website

How to Make a Website

Achievement

Responsive Web Design and Testing

How to Make a Website

Achievement

Adding Pages to a Website

How to Make a Website

Achievement

Styling Web Pages and Navigation

How to Make a Website

Achievement

Customizing Colors and Fonts

How to Make a Website

Achievement

CSS: Cascading Style Sheets

How to Make a Website

Achievement

Creating HTML Content

How to Make a Website

Achievement

HTML First

How to Make a Website

Achievement

Beginning HTML and CSS

How to Make a Website

Achievement

Welcome to the Treehouse Club

Treehouse Club: HTML

Achievement

Structuring Tables

HTML Tables

Achievement

Table Basics

HTML Tables

Achievement

Introduction to jQuery

jQuery Basics (2014)

Achievement

Better SEO Through Content

SEO Basics

Achievement

Introduction to SEO

SEO Basics

Achievement

Rehearsal and Delivery

Presentation Skills

Achievement

Creating and Refining

Presentation Skills

Achievement

Preparing to Present

Presentation Skills

Achievement

Advanced Selectors

CSS Selectors

Achievement

Going Further with Attribute Selectors and Pseudo-Classes

CSS Selectors

Achievement

Selectors - Beyond the Basics

CSS Selectors

Achievement

JavaScript Objects

JavaScript Loops, Arrays and Objects

Achievement

JavaScript Arrays

JavaScript Loops, Arrays and Objects

Achievement

JavaScript Loops

JavaScript Loops, Arrays and Objects

Achievement

Choosing Options

HTML Forms

Achievement

Organizing Forms

HTML Forms

Achievement

Form Basics

HTML Forms

Achievement

Building a Layout with Flexbox

CSS Flexbox Layout

Achievement

Flexbox Properties

CSS Flexbox Layout

Achievement

Understanding Flexbox

CSS Flexbox Layout

Achievement

Responsive Patterns

Responsive Layouts

Achievement

Media Queries

Responsive Layouts

Achievement

Responsive Theory

Responsive Layouts

Achievement

Positioning Page Content

CSS Layout Basics

Achievement

CSS Layout Project

CSS Layout Basics

Achievement

Page Layout with the Float Property

CSS Layout Basics

Achievement

Controlling Layout with CSS Display Modes

CSS Layout Basics

Achievement

Getting Started with CSS Layout

CSS Layout Basics

Achievement

JavaScript Functions

JavaScript Basics (Retired)

Achievement

JavaScript Conditional Statements

JavaScript Basics (Retired)

Achievement

JavaScript Numbers

JavaScript Basics (Retired)

Achievement

JavaScript Variables

JavaScript Basics (Retired)

Achievement

Introducing JavaScript

JavaScript Basics (Retired)

Achievement

Fundamental Concepts

CSS Basics (2014)

Achievement

Designing with the Latest Features

CSS Basics (2014)

Achievement

Basic Layout

CSS Basics (2014)

Achievement

The Box Model

CSS Basics (2014)

Achievement

Understanding Values and Units

CSS Basics (2014)

Achievement

Basic Selectors

CSS Basics (2014)

Achievement

Getting Started with CSS

CSS Basics (2014)

Achievement

Going Further with HTML

HTML Basics

Achievement

Images, Text and Links

HTML Basics

Achievement

Structuring Your Content

HTML Basics

Achievement

Getting Started With HTML

HTML Basics

Achievement

Adding a New Web Page

Introduction to HTML and CSS

Achievement

Make It Beautiful with CSS

Introduction to HTML and CSS

Achievement

HTML: The Structural Foundation of Web Pages and Applications

Introduction to HTML and CSS

Achievement

Getting Familiar with HTML and CSS

Introduction to HTML and CSS

Achievement

Newbie