Achievement

Planning for Performance

Introduction to Front End Performance Optimization

Achievement

Objects and New Collection Types

Introducing ES2015

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

Practice forEach

Practice forEach in JavaScript

Achievement

Combining Array Methods

JavaScript Array Iteration Methods

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

Finishing the Game

Introducing JavaScript

Achievement

Introducing JavaScript

Introducing JavaScript

Achievement

Setting up with Create React App

React by Example

Achievement

Component Lifecycle

React Basics (retired)

Achievement

Designing Dataflow

React Basics (retired)

Achievement

Getting the REST You Need

REST API Basics

Achievement

Perfecting the Prototype

Java Basics

Achievement

Using your New Tools

Java Basics

Achievement

Getting Started with Java

Java Basics

Achievement

Responsive Theory

Responsive Layouts

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

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

Traversing the DOM

JavaScript and the DOM (Retiring)

Achievement

Responding to User Interaction

Interacting with the DOM

Achievement

Making Changes to the DOM

JavaScript and the DOM (Retiring)

Achievement

Getting a Handle on the DOM

JavaScript and the DOM (Retiring)

Achievement

The Cooler Parts of ES2015

Introducing ES2015

Achievement

ES2015 Basics

Introducing ES2015

Achievement

The Browser Environment

JavaScript and the DOM (Retiring)

Achievement

Stateful Components

React Basics (retired)

Achievement

Thinking in Components

React Basics (retired)

Achievement

First Steps in React

React Basics (retired)

Achievement

Responsive Layouts with the Bootstrap Grid

Bootstrap 4 Basics (Retired)

Achievement

Getting to Know Bootstrap 4

Bootstrap 4 Basics (Retired)

Achievement

Databases and International Concerns

PHP Standards and Best Practices

Achievement

Starting Right with PHP Best Practices

PHP Standards and Best Practices

Achievement

Project Setup

CRUD Operations with PHP

Achievement

Database Security

PHP & Databases with PDO

Achievement

Queries & Results

PHP & Databases with PDO

Achievement

Getting Started with PDO

PHP & Databases with PDO

Achievement

PHPDB Stage 2: Querying the Database with PHP

Integrating PHP with Databases

Achievement

PHPDB Stage 1: Databases and PHP

Integrating PHP with Databases

Achievement

PHP Email Form Errors

Build a Basic PHP Website (2018)

Achievement

Building a Collection

Object-Oriented PHP Basics

Achievement

Building the Recipe

Object-Oriented PHP Basics

Achievement

Understanding Classes

Object-Oriented PHP Basics

Achievement

Why Object-Oriented Programming?

Object-Oriented PHP Basics

Achievement

PHP Email Forms

Build a Basic PHP Website (2018)

Achievement

PHP Inventory

Build a Basic PHP Website (2018)

Achievement

PHP Includes

Build a Basic PHP Website (2018)

Achievement

PHP Internal Functions

PHP Functions

Achievement

PHP Returns & Closures

PHP Functions

Achievement

PHP Functions Basics

PHP Functions

Achievement

Working With Collections

Mongo Basics

Achievement

Understanding MongoDB

Mongo Basics

Achievement

Getting Started with MongoDB

Mongo Basics

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

PHP Loops

PHP Arrays and Control Structures

Achievement

PHP Arrays

PHP Arrays and Control Structures

Achievement

PHP Conditionals

PHP Arrays and Control Structures

Achievement

PHP on the Web

PHP Basics

Achievement

Daily Exercise Program

PHP Basics

Achievement

Unit Converter

PHP Basics

Achievement

Getting to Know PHP

PHP Basics

Achievement

Finding the Data You Want

SQL Basics

Achievement

Getting Data from a Database

SQL Basics

Achievement

Data, Databases and SQL

SQL Basics

Achievement

Adding a New Web Page

Introduction to HTML and CSS (2016)

Achievement

Make It Beautiful with CSS

Introduction to HTML and CSS (2016)

Achievement

HTML: The Structural Foundation of Web Pages and Applications

Introduction to HTML and CSS (2016)

Achievement

Getting Familiar with HTML and CSS

Introduction to HTML and CSS (2016)

Achievement

Responsive Web Design and Testing

How to Make a Website

Achievement

Debugging HTML and CSS Problems

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

DOM Traversal

Introduction to jQuery

Achievement

DOM Manipulation

Introduction to jQuery

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

Sharing a Website

How to Make a Website

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

Selecting Elements and Adding Events with JavaScript

Interactive Web Pages with JavaScript

Achievement

JavaScript and the DOM

Interactive Web Pages with JavaScript

Achievement

Advanced Selectors

CSS Selectors

Achievement

Going Further with Attribute Selectors and Pseudo-Classes

CSS Selectors

Achievement

Selectors - Beyond the Basics

CSS Selectors

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

Basic Selectors

CSS Basics (2014)

Achievement

Understanding Values and Units

CSS Basics (2014)

Achievement

Getting Started with CSS

CSS Basics (2014)

Achievement

Custom Media Players

HTML Video and Audio (Retired)

Achievement

Captioning Video

HTML Video and Audio (Retired)

Achievement

Media Basics

HTML Video and Audio (Retired)

Achievement

Welcome to the Treehouse Club

Treehouse Club: HTML

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

Events

Introduction to jQuery

Achievement

Hello, jQuery!

Introduction to jQuery

Achievement

Treehouse Club - JavaScript

Treehouse Club: JavaScript

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

JavaScript Functions

JavaScript Basics (Retired)

Achievement

Treehouse Club - CSS

Treehouse Club: CSS

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

HTML First

How to Make a Website

Achievement

Beginning HTML and CSS

How to Make a Website

Achievement

Newbie