JavaScript Functions

JavaScript Quickstart

Data Types and Variables

JavaScript Quickstart

JavaScript Frameworks, Libraries, and Developer Roles

The JavaScript Ecosystem

JavaScript Outside of the Browser

The JavaScript Ecosystem

Finishing the Game

Introducing JavaScript

Introducing JavaScript

Introducing JavaScript

What is Authentication

PHP User Authentication

PHP on the Web

PHP Basics

Daily Exercise Program

PHP Basics

Unit Converter

PHP Basics

First Steps in React

React Basics (retired)

Getting to Know PHP

PHP Basics

Why Object-Oriented Programming?

Object-Oriented PHP Basics

Building Forms with Bootstrap

Bootstrap 4 Basics (Retired)

Using Bootstrap Components

Bootstrap 4 Basics (Retired)

Responsive Layouts with the Bootstrap Grid

Bootstrap 4 Basics (Retired)

Getting to Know Bootstrap 4

Bootstrap 4 Basics (Retired)

PHPDB Stage 2: Querying the Database with PHP

Integrating PHP with Databases

PHPDB Stage 1: Databases and PHP

Integrating PHP with Databases

Meet Objects

Java Objects (Retired)

Relating Models

Laravel 4 Basics

Laravel Controllers

Laravel 4 Basics

Laravel Project Setup

Laravel 4 Basics

Laravel Getting Started

Laravel 4 Basics

Building WordPress Template Tags, Widgets, and Shortcodes

How to Build a WordPress Plugin

Go Further With Mongo

Mongo Basics

Working With Collections

Mongo Basics

Understanding MongoDB

Mongo Basics

Getting Started with MongoDB

Mongo Basics

Date and Time Functions

Reporting with SQL

Aggregate and Numeric Functions

Reporting with SQL

Working with Text

Reporting with SQL

Ordering, Limiting and Paging Results

Reporting with SQL

Perfecting the Prototype

Java Basics

Using your New Tools

Java Basics

Getting Started with Java

Java Basics

Testing and Debugging

Build a Simple Android App

Improving Our Code

Build a Simple Android App

Basic Android Programming

Build a Simple Android App

Creating the Screen Layout

Build a Simple Android App

Getting Started with Android

Build a Simple Android App

WordPress Admin Settings

WordPress Admin Settings

Get Involved in Open Source

GitHub Basics

Create a Web Presence on GitHub

GitHub Basics

Working on a Team

GitHub Basics

Working By Yourself

GitHub Basics

Hello, GitHub!

GitHub Basics

PHP Email Form Errors

Build a Basic PHP Website (2018)

PHP Email Forms

Build a Basic PHP Website (2018)

Adding a New Web Page

Introduction to HTML and CSS (2016)

Make It Beautiful with CSS

Introduction to HTML and CSS (2016)

HTML: The Structural Foundation of Web Pages and Applications

Introduction to HTML and CSS (2016)

Getting Familiar with HTML and CSS

Introduction to HTML and CSS (2016)

PHP Inventory

Build a Basic PHP Website (2018)

PHP Includes

Build a Basic PHP Website (2018)

Handling Errors When Manipulating Data

Modifying Data with SQL

Deleting Data from a Database

Modifying Data with SQL

Updating Data in a Database

Modifying Data with SQL

Adding Data to a Database

Modifying Data with SQL

Getting Started with Angular

AngularJS Basics (1.x)

Finding the Data You Want

SQL Basics

Getting Data from a Database

SQL Basics

Data, Databases and SQL

SQL Basics

Positioning Page Content

CSS Layout Basics

CSS Layout Project

CSS Layout Basics

Page Layout with the Float Property

CSS Layout Basics

Customizing the User Experience in WordPress

Managing Users in WordPress

Default User Roles in WordPress

Managing Users in WordPress

An Overview of User Roles and Fields

Managing Users in WordPress

Controlling Layout with CSS Display Modes

CSS Layout Basics

Getting Started with CSS Layout

CSS Layout Basics

Creating the Initial Screen Layout

Build a Simple Android App (2014)

Getting Started with Android

Build a Simple Android App (2014)

JavaScript Loops

JavaScript Loops, Arrays and Objects

The Internet

How the Internet Works

Scrum Artifacts

Scrum Basics

Scrum Events

Scrum Basics

Introducing Scrum

Scrum Basics

What is Agile?

Scrum Basics

Getting Started with BuddyPress

Learn BuddyPress: Social Networks with WordPress

Launching and Supporting a WordPress Plugin

How to Build a WordPress Plugin

The Settings API in Different Places

WordPress Settings API

Taking WordPress Settings Further

WordPress Settings API

Getting Started with Theme Options Settings

WordPress Settings API

WordPress Settings API Overview

WordPress Settings API

SEO Plugins for WordPress

SEO for WordPress

Enhancing the SEO of a WordPress Theme

SEO for WordPress

Content Comes First

SEO for WordPress

More Advanced PHP for WordPress

PHP for WordPress

PHP Basics for WordPress

PHP for WordPress

Introduction to PHP for WordPress

PHP for WordPress

Hosting with GitHub Pages

Build a Blog with Jekyll and GitHub Pages

Building and Customizing the Blog

Build a Blog with Jekyll and GitHub Pages

Getting Started with Jekyll

Build a Blog with Jekyll and GitHub Pages

Contact Forms & Mailers

Building Websites with PHP

Slim and Templates

Building Websites with PHP

Using a jQuery Carousel

Using jQuery Plugins

Add a Sticky Navigation Bar

Using jQuery Plugins

Introducing jQuery Plugins

Using jQuery Plugins

Installing a Ruby Development Environment

Installing a Ruby Development Environment

Ruby Methods

Ruby Basics (Retired)

Ruby Numbers (Ruby Basics)

Ruby Basics (Retired)

Connecting WordPress Plugins with 3rd Party APIs

How to Build a WordPress Plugin

Building a WordPress Plugin Settings Page

How to Build a WordPress Plugin

How WordPress Plugins Work

How to Build a WordPress Plugin

Hooking Into WordPress Plugins

WordPress Hooks - Actions and Filters

Action Functions in WordPress

WordPress Hooks - Actions and Filters

Filter Functions in WordPress

WordPress Hooks - Actions and Filters

An Overview of Hooks in WordPress

WordPress Hooks - Actions and Filters

Custom WordPress Customizer Settings

WordPress Customizer API

Native WordPress Customizer Options

WordPress Customizer API

Overview of the WordPress Customizer

WordPress Customizer API

Custom Dashboard Widgets

Customizing the WordPress Admin Area

Controlling Admin Navigation

Customizing the WordPress Admin Area

Dependency Management

Building Websites with PHP

Customizing the Login Screen

Customizing the WordPress Admin Area

What is the MailChimp API

MailChimp API

Admin Color Schemes

Customizing the WordPress Admin Area

Add Bootstrap Components to WordPress Theme

From Bootstrap to WordPress

Create Bootstrap Styled Theme Templates

From Bootstrap to WordPress

Setup a Bootstrap Theme

From Bootstrap to WordPress

Improving Usability

Usability Foundations

Mobile Usability

Usability Foundations

Website Usability

Usability Foundations

What is Usability?

Usability Foundations

Moving from WordPress.com to Self-Hosted WordPress.org

Moving from WordPress.com to Self-Hosted WordPress.org

Running an Ecommerce Site Long Term

Ecommerce with WordPress and WooCommerce

Extending WooCommerce

Ecommerce with WordPress and WooCommerce

Managing Orders in WooCommerce

Ecommerce with WordPress and WooCommerce

Managing Products in WooCommerce

Ecommerce with WordPress and WooCommerce

Setting Up WooCommerce

Ecommerce with WordPress and WooCommerce

Introduction to Ecommerce with WordPress

Ecommerce with WordPress and WooCommerce

Final Project: Create a Typographic Site

Web Typography

Laying Out Type for the Web

Web Typography

Basic Web Typography

Web Typography

How to Choose and Use Webfonts

Web Typography

Introduction to Typography

Web Typography

Art Direction with the Picture Element

Responsive Images

Image Delivery with Srcset and Sizes

Responsive Images

WWW

How the Web Works

A Template Hierarchy Review

The WordPress Template Hierarchy

Media Templates in WordPress

The WordPress Template Hierarchy

Custom Post Type Templates

The WordPress Template Hierarchy

Archive Templates in WordPress

The WordPress Template Hierarchy

Page and Post Templates in WordPress

The WordPress Template Hierarchy

Homepage Templates in WordPress

The WordPress Template Hierarchy

Core WordPress Theme Files

The WordPress Template Hierarchy

How WordPress Templates Work

The WordPress Template Hierarchy

The Production Server

Modern WordPress Workflow

The Staging Server

Modern WordPress Workflow

The Local Development Environment

Modern WordPress Workflow

Database Security

PHP & Databases with PDO

Queries & Results

PHP & Databases with PDO

Getting Started with PDO

PHP & Databases with PDO

The Logo Sprint

Logo Design Basics

Logo Design 101

Logo Design Basics

Structuring Tables

HTML Tables

Table Basics

HTML Tables

Custom Media Players

HTML Video and Audio (Retired)

Captioning Video

HTML Video and Audio (Retired)

Media Basics

HTML Video and Audio (Retired)

MASH JavaScript

Treehouse Club - MASH

MASH CSS

Treehouse Club - MASH

MASH HTML

Treehouse Club - MASH

Working with Media Queries

CSS - Beyond the Basics

Ruby Strings (Ruby Basics)

Ruby Basics (Retired)

Computer Languages

Computer Basics

Computer Basics

Computer Basics

Treehouse Club - JavaScript

Treehouse Club: JavaScript

CSS Animation Basics

CSS - Beyond the Basics

Welcome to the Treehouse Club

Treehouse Club: HTML

Understanding CSS Transitions and Transforms

CSS - Beyond the Basics

How Ruby Works

Ruby Basics (Retired)

Understanding Flexbox and Multi-Column Layout

CSS - Beyond the Basics

Owning a WordPress Site Long Term

WordPress for Website Owners

WordPress Community Management

WordPress for Website Owners

Working with Media in WordPress

WordPress for Website Owners

Adding and Editing Content

WordPress for Website Owners

Getting a WordPress Site

WordPress for Website Owners

Combine and Minify Assets

Introduction to Front End Performance Optimization

Optimize Assets

Introduction to Front End Performance Optimization

Measuring Performance

Introduction to Front End Performance Optimization

Planning for Performance

Introduction to Front End Performance Optimization

PHP Internal Functions

PHP Functions

PHP Returns & Closures

PHP Functions

PHP Functions Basics

PHP Functions

Responsive Patterns

Responsive Layouts

Media Queries

Responsive Layouts

Responsive Theory

Responsive Layouts

Error Handling

PHP Standards and Best Practices

Creating Distributable OOP Packages

PHP Standards and Best Practices

Autoloading and Composer

PHP Standards and Best Practices

Databases and International Concerns

PHP Standards and Best Practices

Starting Right with PHP Best Practices

PHP Standards and Best Practices

Test Doubles

PHP Testing

Acceptance Tests

PHP Testing

Organizing your Tests

PHP Testing

Creating Your Tests

PHP Testing

Tools for Testers

PHP Testing

How To Test Our Code

PHP Testing

Advanced Selectors

CSS Selectors

Going Further with Attribute Selectors and Pseudo-Classes

CSS Selectors

Selectors - Beyond the Basics

CSS Selectors

Treehouse Club - CSS

Treehouse Club: CSS

PHP Loops

PHP Basics (Retired)

PHP Conditionals

PHP Basics (Retired)

PHP Datatypes

PHP Basics (Retired)

PHP Data & Structure

PHP Basics (Retired)

PHP Getting Started

PHP Basics (Retired)

PHP Inheritance & Interfaces

Object-Oriented PHP Basics (Retired)

Customizing Google Maps

Build an Interactive Website

Form Validation and Manipulation

Build an Interactive Website

Designing with the Latest Features

CSS Basics (2014)

Fundamental Concepts

CSS Basics (2014)

Basic Layout

CSS Basics (2014)

Understanding Values and Units

CSS Basics (2014)

The Box Model

CSS Basics (2014)

Basic Selectors

CSS Basics (2014)

Getting Started with CSS

CSS Basics (2014)

Creating an SVG

SVG Basics

Introduction to SVG

SVG Basics

Introduction to Node.js

Node.js Basics (2014)

Traversing and Manipulating the DOM with JavaScript

Interactive Web Pages with JavaScript

Selecting Elements and Adding Events with JavaScript

Interactive Web Pages with JavaScript

JavaScript and the DOM

Interactive Web Pages with JavaScript

JavaScript Functions

JavaScript Basics (Retired)

JavaScript Conditional Statements

JavaScript Basics (Retired)

Finishing Your WordPress Theme

WordPress Theme Development

JavaScript Numbers

JavaScript Basics (Retired)

JavaScript Variables

JavaScript Basics (Retired)

Introducing JavaScript

JavaScript Basics (Retired)

Custom Homepage Templates in WordPress

WordPress Theme Development

Adding a Blog to a WordPress Theme

WordPress Theme Development

Custom Post Type Templates

WordPress Theme Development

Building Out WordPress Navigation

WordPress Theme Development

Building Page Templates in WordPress

WordPress Theme Development

The WordPress Loop

WordPress Theme Development

WordPress Header and Footer Templates

WordPress Theme Development

Working with CSS and JS in WordPress Themes

WordPress Theme Development

Getting Started with WordPress

Getting Started with WordPress

Starting a WordPress Theme

WordPress Theme Development

Launching a WordPress Site

How to Build a WordPress Theme

WordPress and Forms

How to Build a WordPress Theme

Extending WordPress Template Functionality

How to Build a WordPress Theme

Converting Static HTML into WordPress Templates

How to Build a WordPress Theme

PHP Properties & Methods

Object-Oriented PHP Basics (Retired)

Preparing to Code WordPress Templates

How to Build a WordPress Theme

WordPress Theme Functions

How to Build a WordPress Theme

WordPress Theme Templates

How to Build a WordPress Theme

Content Strategy with WordPress

How to Build a WordPress Theme

PHP Objects and Classes

Object-Oriented PHP Basics (Retired)

Introduction to jQuery

Build an Interactive Website

Why Start a Business?

How to Start a Business (old)

What's New in Foundation 5

Framework Basics

Build a Website With Foundation

Framework Basics

Prototyping With Foundation

Framework Basics

Going Mobile

HTML Email Design

Designing Email with CSS

HTML Email Design

Coding HTML Email

HTML Email Design

HTML Email Basics

HTML Email Design

Local WordPress Development

Local WordPress Development

WordPress Plugin Best Practices

How to Make a Website with WordPress

Widgets and Custom Menus

How to Make a Website with WordPress

Custom Post Types and Fields

How to Make a Website with WordPress

Customizing WordPress Themes

How to Make a Website with WordPress

WordPress Themes

How to Make a Website with WordPress

Installing Wordpress

How to Make a Website with WordPress

Build a Website With Bootstrap

Framework Basics

Choosing Options

HTML Forms

Organizing Forms

HTML Forms

Form Basics

HTML Forms

AJAX and APIs

AJAX Basics (retiring)

jQuery and AJAX

AJAX Basics (retiring)

Programming AJAX

AJAX Basics (retiring)

Paginating a List: Model and View

Enhancing a Simple PHP Application

Paginating a List: Controller

Enhancing a Simple PHP Application

Adding Search: Model

Enhancing a Simple PHP Application

WordPress Admin Settings

WordPress Admin Settings

WordPress User Roles

WordPress User Roles

Finding Good WordPress Plugins and Themes

How to Build a WordPress Blog Without Coding

Managing Comments on a WordPress Blog

How to Build a WordPress Blog Without Coding

Working with Media in WordPress Blogs

How to Build a WordPress Blog Without Coding

Posts and Pages in WordPress

How to Build a WordPress Blog Without Coding

Blogging with WordPress Overview

How to Build a WordPress Blog Without Coding

Adding Search: Controller & View

Enhancing a Simple PHP Application

Refactoring the Codebase

Enhancing a Simple PHP Application

Prototyping With Bootstrap

Framework Basics

Introduction to Front-End Frameworks

Framework Basics

Website Basics

Website Basics

DNS Basics

Technology Foundations

Graphic Basics

Technology Foundations

Cleaning URLs with Rewrite Rules

Enhancing a Simple PHP Application

Cleaning URLs with Subfolders

Enhancing a Simple PHP Application

Integrating Validation Errors

Enhancing a Simple PHP Application

Limiting Results in Queries

Using PHP with MySQL

Using Relationship Tables

Using PHP with MySQL

Filtering Input for Queries

Using PHP with MySQL

Querying the Database

Using PHP with MySQL

Connecting to MySQL

Using PHP with MySQL

Finalizing the Project

Brand Identity Basics

Case Studies and Examples

Brand Identity Basics

The Brand Identity Design Process

Brand Identity Basics

Introduction to Brand Identity

Brand Identity Basics

Creating Tables and Manipulating Data with SQL

Database Foundations

Securing and Maintaining a MySQL Database

Database Foundations

SQL Calculating, Aggregating and Other Functions

Database Foundations

Joining Relational Data Between Tables in SQL

Database Foundations

Manipulating Schema with SQL

Database Foundations

Reading Data from Databases with SQL

Database Foundations

Installing MySQL Server and MySQL Workbench

Database Foundations

Introduction to Data, Databases and SQL

Database Foundations

AJAX Concepts

AJAX Basics (retiring)

Creating a Simple Drawing Application

jQuery Basics (2014)

Creating a Password Confirmation Form

jQuery Basics (2014)

Creating a Mobile Drop Down Menu

jQuery Basics (2014)

Creating a Simple Lightbox

jQuery Basics (2014)

Creating a Spoiler Revealer

jQuery Basics (2014)

Introduction to jQuery

jQuery Basics (2014)

JavaScript Objects

JavaScript Foundations

JavaScript Functions

JavaScript Foundations

JavaScript Arrays

JavaScript Foundations

JavaScript Numbers

JavaScript Foundations

JavaScript Strings

JavaScript Foundations

Workflows

Git Basics

Working With Remote Repositories

Git Basics

Merging

Git Basics

Branches

Git Basics

Getting Started With Git

Git Basics

Chrome DevTools Basics

Website Optimization

Web Apps

Accessibility

Websites

Accessibility

Introduction

Accessibility

Environment and Redirection

Console Foundations

Installing Programs

Console Foundations

Console Processes

Console Foundations

Console Users and Permission

Console Foundations

Moving Around in the Console

Console Foundations

The WordPress Codex

The WordPress Codex

Moving Forward with UX

UX Basics

Tools UXers Use

UX Basics

How UXers Think

UX Basics

What Do User Experience Designers Do?

UX Basics

What is User Experience (UX)?

UX Basics

Why Version Control Matters

Git Basics

Advanced Sass Concepts

Sass Basics (retired)

Speeding up Workflow With Sass

Sass Basics (retired)

Variables, Mixins, and Extending Selectors

Sass Basics (retired)

Getting Started with Sass

Sass Basics (retired)

Better SEO Through Tools

SEO Basics

Better SEO Through Code

SEO Basics

Better SEO Through Content

SEO Basics

Introduction to SEO

SEO Basics

Creating Home Page Assets

Illustrator Foundations

Applying Effects

Illustrator Foundations

How to Draw in Illustrator

Illustrator Foundations

Adding Color and Type

Illustrator Foundations

Creating an Icon

Illustrator Foundations

Introduction to Illustrator

Illustrator Foundations

Workflow Basics

Photoshop Foundations

Slices & Save for Web

Photoshop Foundations

Vector Shapes

Photoshop Foundations

Type Tools

Photoshop Foundations

Masks Basics

Photoshop Foundations

Layer Basics

Photoshop Foundations

Workspace Basics

Photoshop Foundations

Design Foundations Final

Design Foundations

Becoming a Problem Solver

Design Foundations

Understanding Aesthetics

Design Foundations

Introduction to Design

Design Foundations

Simple PHP Application: Wrapping Up The Project

Build a Simple PHP Application

Working with PHP Functions

Build a Simple PHP Application

Integrating With Paypal

Build a Simple PHP Application

Listing Inventory Items

Build a Simple PHP Application

Adding a Contact Form

Build a Simple PHP Application

Introduction Variables

JavaScript Foundations

Color Theory

Aesthetic Foundations

Principles

Aesthetic Foundations

Elements

Aesthetic Foundations

Media Queries

Unused CSS Stages

CSS Animations

Unused CSS Stages

Transitions and Transforms

Unused CSS Stages

Flexbox and Multi-Column Layout

Unused CSS Stages

Gradients

CSS Foundations

Web Typography

CSS Foundations

Backgrounds and Borders

CSS Foundations

Debugging HTML and CSS Problems

How to Make a Website

Sharing a Website

How to Make a Website

Responsive Web Design and Testing

How to Make a Website

Adding Pages to a Website

How to Make a Website

Styling Web Pages and Navigation

How to Make a Website

Customizing Colors and Fonts

How to Make a Website

CSS: Cascading Style Sheets

How to Make a Website

Creating HTML Content

How to Make a Website

HTML First

How to Make a Website

Beginning HTML and CSS

How to Make a Website

CSS Box Model

CSS Foundations

Text, Fonts, and Lists

CSS Foundations

Values and Units

CSS Foundations

Creating the Menu and Footer

Build a Simple PHP Application

Getting Started with PHP

Build a Simple PHP Application

Advanced Selectors

CSS Foundations

Selectors

CSS Foundations

Grid Layout

CSS Layout Techniques

Flexbox Layout

CSS Layout Techniques

Positioning Schemes

CSS Layout Techniques

Float Layout

CSS Layout Techniques

Display Modes

CSS Layout Techniques

Getting Started with CSS

CSS Foundations

Forms

HTML

Tables

HTML

Objects

HTML

Links

HTML

Lists

HTML

Text

HTML

Introduction

HTML

Functions

Introduction to Programming

Objects and Arrays

Introduction to Programming

Control Structures

Introduction to Programming

Basics

Introduction to Programming

Launching the Website

Build a Simple Website

Styling Content

Build a Simple Website

Creating a Website Structure

Build a Simple Website

Text Editors and HTML

Build a Simple Website

Website Basics

Build a Simple Website

Newbie