✨ Earn college credits in Cybersecurity, JS, HTML, CSS and Python

Take our "AI in Tech Jobs" survey and win 3 months free Treehouse!

New No-Code Track! 🚀 New videos dropping every week—start learning today!

🤑 Join the Treehouse affiliate program and earn 25% commission!

🌟 Dreaming of a bright future? 🎓 Ask about the Treehouse Scholarship program! 🚀

Jason Cook

Ocala, FL

Jason has over 25 years of professional software development experience, ranging from e-commerce to enterprise level applications for Fortune 500 companies. He is dedicated to building smarter business solutions in today's competitive marketplace.

11,403

Total Points

•
2,904

JavaScript

2833 pts
Achievements

71 pts
Forum
•
2,129

CSS

2103 pts
Achievements

26 pts
Forum
•
1,968

HTML

1912 pts
Achievements

56 pts
Forum
•
1,383

PHP

1327 pts
Achievements

56 pts
Forum
•
1,165

Development Tools

1164 pts
Achievements

1 pts
Forum
•
490

Android

490 pts
Achievements

0 pts
Forum
•
289

Professional Skills

289 pts
Achievements

0 pts
Forum
•
275

Java

275 pts
Achievements

0 pts
Forum
•
40

Digital Literacy

40 pts
Achievements

0 pts
Forum
•
1

Databases

1 pts
Achievements

0 pts
Forum
•
1

Design

1 pts
Achievements

0 pts
Forum

Points are earned whenever you take an important action on Treehouse.
Learn more about when and how points are earned.

131 Achievements

Achievement
User Input in Android

Build an Interactive Story App

Achieved
May 29, 2017
Achievement
Testing and Debugging

Build a Simple Android App

Achieved
May 28, 2017
Achievement
Improving Our Code

Build a Simple Android App

Achieved
May 25, 2017
Achievement
Basic Android Programming

Build a Simple Android App

Achieved
May 24, 2017
Achievement
Creating the Screen Layout

Build a Simple Android App

Achieved
May 24, 2017
Achievement
Getting Started with Android

Build a Simple Android App

Achieved
May 24, 2017
Achievement
Perfecting the Prototype

Java Basics

Achieved
May 23, 2017
Achievement
Using your New Tools

Java Basics

Achieved
May 23, 2017
Achievement
Getting Started with Java

Java Basics

Achieved
May 23, 2017
Achievement
PHP Email Form Errors

Build a Basic PHP Website (2018)

Achieved
May 18, 2017
Achievement
PHP Email Forms

Build a Basic PHP Website (2018)

Achieved
May 14, 2017
Achievement
PHP Inventory

Build a Basic PHP Website (2018)

Achieved
May 11, 2017
Achievement
PHP Includes

Build a Basic PHP Website (2018)

Achieved
Dec 6, 2016
Achievement
PHP Internal Functions

PHP Functions

Achieved
Nov 29, 2016
Achievement
PHP Returns & Closures

PHP Functions

Achieved
Nov 29, 2016
Achievement
PHP Functions Basics

PHP Functions

Achieved
Nov 28, 2016
Achievement
PHP Loops

PHP Arrays and Control Structures

Achieved
Nov 28, 2016
Achievement
PHP Arrays

PHP Arrays and Control Structures

Achieved
Nov 22, 2016
Achievement
PHP Conditionals

PHP Arrays and Control Structures

Achieved
Nov 19, 2016
Achievement
PHP on the Web

PHP Basics

Achieved
Nov 19, 2016
Achievement
Daily Exercise Program

PHP Basics

Achieved
Nov 19, 2016
Achievement
Unit Converter

PHP Basics

Achieved
Nov 17, 2016
Achievement
Getting to Know PHP

PHP Basics

Achieved
Nov 17, 2016
Achievement
Adding a New Web Page

Introduction to HTML and CSS (2016)

Achieved
Nov 17, 2016
Achievement
Make It Beautiful with CSS

Introduction to HTML and CSS (2016)

Achieved
Nov 17, 2016
Achievement
HTML: The Structural Foundation of Web Pages and Applications

Introduction to HTML and CSS (2016)

Achieved
Nov 17, 2016
Achievement
Getting Familiar with HTML and CSS

Introduction to HTML and CSS (2016)

Achieved
Nov 16, 2016
Achievement
Combine and Minify Assets

Introduction to Front End Performance Optimization

Achieved
Nov 8, 2016
Achievement
Optimize Assets

Introduction to Front End Performance Optimization

Achieved
Nov 8, 2016
Achievement
Measuring Performance

Introduction to Front End Performance Optimization

Achieved
Nov 7, 2016
Achievement
Planning for Performance

Introduction to Front End Performance Optimization

Achieved
Nov 7, 2016
Achievement
Building Forms with Bootstrap

Bootstrap 4 Basics (Retired)

Achieved
Nov 6, 2016
Achievement
Using Bootstrap Components

Bootstrap 4 Basics (Retired)

Achieved
Nov 6, 2016
Achievement
Responsive Layouts with the Bootstrap Grid

Bootstrap 4 Basics (Retired)

Achieved
Nov 6, 2016
Achievement
Getting to Know Bootstrap 4

Bootstrap 4 Basics (Retired)

Achieved
Nov 5, 2016
Achievement
Chrome DevTools Basics

Website Optimization

Achieved
Nov 5, 2016
Achievement
Web Apps

Accessibility

Achieved
Nov 5, 2016
Achievement
Websites

Accessibility

Achieved
Nov 5, 2016
Achievement
Introduction

Accessibility

Achieved
Nov 5, 2016
Achievement
Quiz Practice Project

Object-Oriented JavaScript (2015)

Achieved
Nov 4, 2016
Achievement
Prototypal Inheritance

Object-Oriented JavaScript (2015)

Achieved
Nov 4, 2016
Achievement
Constructor Functions & Prototypes

Object-Oriented JavaScript (2015)

Achieved
Nov 3, 2016
Achievement
Introduction to Methods

Object-Oriented JavaScript (2015)

Achieved
Nov 2, 2016
Achievement
AJAX and APIs

AJAX Basics (retiring)

Achieved
Nov 2, 2016
Achievement
jQuery and AJAX

AJAX Basics (retiring)

Achieved
Nov 2, 2016
Achievement
Programming AJAX

AJAX Basics (retiring)

Achieved
Nov 1, 2016
Achievement
AJAX Concepts

AJAX Basics (retiring)

Achieved
Oct 31, 2016
Achievement
Custom Media Players

HTML Video and Audio (Retired)

Achieved
Oct 31, 2016
Achievement
Captioning Video

HTML Video and Audio (Retired)

Achieved
Oct 31, 2016
Achievement
Media Basics

HTML Video and Audio (Retired)

Achieved
Oct 31, 2016
Achievement
Traversing and Manipulating the DOM with JavaScript

Interactive Web Pages with JavaScript

Achieved
Oct 30, 2016
Achievement
Selecting Elements and Adding Events with JavaScript

Interactive Web Pages with JavaScript

Achieved
Oct 30, 2016
Achievement
JavaScript and the DOM

Interactive Web Pages with JavaScript

Achieved
Oct 30, 2016
Achievement
Structuring Tables

HTML Tables

Achieved
Oct 30, 2016
Achievement
Table Basics

HTML Tables

Achieved
Oct 30, 2016
Achievement
Creating a Simple Drawing Application

jQuery Basics (2014)

Achieved
Oct 30, 2016
Achievement
Creating a Password Confirmation Form

jQuery Basics (2014)

Achieved
Oct 29, 2016
Achievement
Creating a Mobile Drop Down Menu

jQuery Basics (2014)

Achieved
Oct 28, 2016
Achievement
Creating a Simple Lightbox

jQuery Basics (2014)

Achieved
Oct 28, 2016
Achievement
Creating a Spoiler Revealer

jQuery Basics (2014)

Achieved
Oct 28, 2016
Achievement
Introduction to jQuery

jQuery Basics (2014)

Achieved
Oct 28, 2016
Achievement
Advanced Selectors

CSS Selectors

Achieved
Oct 27, 2016
Achievement
Going Further with Attribute Selectors and Pseudo-Classes

CSS Selectors

Achieved
Oct 27, 2016
Achievement
Selectors - Beyond the Basics

CSS Selectors

Achieved
Oct 26, 2016
Achievement
JavaScript Objects

JavaScript Loops, Arrays and Objects

Achieved
Oct 26, 2016
Achievement
JavaScript Arrays

JavaScript Loops, Arrays and Objects

Achieved
Oct 26, 2016
Achievement
JavaScript Loops

JavaScript Loops, Arrays and Objects

Achieved
Oct 25, 2016
Achievement
Choosing Options

HTML Forms

Achieved
Oct 25, 2016
Achievement
Organizing Forms

HTML Forms

Achieved
Oct 25, 2016
Achievement
Form Basics

HTML Forms

Achieved
Oct 24, 2016
Achievement
Building a Layout with Flexbox

CSS Flexbox Layout

Achieved
Oct 24, 2016
Achievement
Flexbox Properties

CSS Flexbox Layout

Achieved
Oct 24, 2016
Achievement
Understanding Flexbox

CSS Flexbox Layout

Achieved
Oct 24, 2016
Achievement
Responsive Patterns

Responsive Layouts

Achieved
Oct 23, 2016
Achievement
Media Queries

Responsive Layouts

Achieved
Oct 23, 2016
Achievement
Responsive Theory

Responsive Layouts

Achieved
Oct 23, 2016
Achievement
Positioning Page Content

CSS Layout Basics

Achieved
Oct 23, 2016
Achievement
CSS Layout Project

CSS Layout Basics

Achieved
Oct 23, 2016
Achievement
Page Layout with the Float Property

CSS Layout Basics

Achieved
Oct 22, 2016
Achievement
Controlling Layout with CSS Display Modes

CSS Layout Basics

Achieved
Oct 22, 2016
Achievement
Getting Started with CSS Layout

CSS Layout Basics

Achieved
Oct 22, 2016
Achievement
JavaScript Functions

JavaScript Basics (Retired)

Achieved
Oct 21, 2016
Achievement
JavaScript Conditional Statements

JavaScript Basics (Retired)

Achieved
Oct 21, 2016
Achievement
JavaScript Numbers

JavaScript Basics (Retired)

Achieved
Oct 21, 2016
Achievement
JavaScript Variables

JavaScript Basics (Retired)

Achieved
Oct 20, 2016
Achievement
Introducing JavaScript

JavaScript Basics (Retired)

Achieved
Oct 20, 2016
Achievement
Fundamental Concepts

CSS Basics (2014)

Achieved
Oct 19, 2016
Achievement
Designing with the Latest Features

CSS Basics (2014)

Achieved
Oct 19, 2016
Achievement
Basic Layout

CSS Basics (2014)

Achieved
Oct 18, 2016
Achievement
The Box Model

CSS Basics (2014)

Achieved
Oct 17, 2016
Achievement
Understanding Values and Units

CSS Basics (2014)

Achieved
Oct 17, 2016
Achievement
Basic Selectors

CSS Basics (2014)

Achieved
Oct 17, 2016
Achievement
Getting Started with CSS

CSS Basics (2014)

Achieved
Oct 16, 2016
Achievement
Workflows

Git Basics

Achieved
Mar 27, 2015
Achievement
Working With Remote Repositories

Git Basics

Achieved
Mar 26, 2015
Achievement
Merging

Git Basics

Achieved
Mar 24, 2015
Achievement
Branches

Git Basics

Achieved
Mar 24, 2015
Achievement
Getting Started With Git

Git Basics

Achieved
Mar 24, 2015
Achievement
Why Version Control Matters

Git Basics

Achieved
Mar 23, 2015
Achievement
Installing Programs

Console Foundations

Achieved
Mar 17, 2015
Achievement
Environment and Redirection

Console Foundations

Achieved
Mar 17, 2015
Achievement
Console Processes

Console Foundations

Achieved
Mar 17, 2015
Achievement
Console Users and Permission

Console Foundations

Achieved
Mar 16, 2015
Achievement
Moving Around in the Console

Console Foundations

Achieved
Mar 16, 2015
Achievement
Better SEO Through Tools

SEO Basics

Achieved
Mar 13, 2015
Achievement
Better SEO Through Code

SEO Basics

Achieved
Mar 12, 2015
Achievement
Better SEO Through Content

SEO Basics

Achieved
Mar 11, 2015
Achievement
Introduction to SEO

SEO Basics

Achieved
Mar 11, 2015
Achievement
Getting Started with PHP

Build a Simple PHP Application

Achieved
Jul 3, 2014
Achievement
Forms

HTML

Achieved
Jun 23, 2014
Achievement
Tables

HTML

Achieved
Jun 23, 2014
Achievement
Objects

HTML

Achieved
Jun 23, 2014
Achievement
Links

HTML

Achieved
Jun 22, 2014
Achievement
Lists

HTML

Achieved
Jun 22, 2014
Achievement
Text

HTML

Achieved
Jun 22, 2014
Achievement
Introduction

HTML

Achieved
Jun 22, 2014
Achievement
Functions

Introduction to Programming

Achieved
Jun 22, 2014
Achievement
Objects and Arrays

Introduction to Programming

Achieved
Jun 21, 2014
Achievement
Control Structures

Introduction to Programming

Achieved
Jun 21, 2014
Achievement
Basics

Introduction to Programming

Achieved
Jun 20, 2014
Achievement
Debugging HTML and CSS Problems

How to Make a Website

Achieved
Jun 19, 2014
Achievement
Sharing a Website

How to Make a Website

Achieved
Jun 19, 2014
Achievement
Responsive Web Design and Testing

How to Make a Website

Achieved
Jun 19, 2014
Achievement
Adding Pages to a Website

How to Make a Website

Achieved
Jun 18, 2014
Achievement
Styling Web Pages and Navigation

How to Make a Website

Achieved
Jun 15, 2014
Achievement
Customizing Colors and Fonts

How to Make a Website

Achieved
Jun 15, 2014
Achievement
CSS: Cascading Style Sheets

How to Make a Website

Achieved
Jun 15, 2014
Achievement
Creating HTML Content

How to Make a Website

Achieved
Jun 15, 2014
Achievement
HTML First

How to Make a Website

Achieved
Jun 15, 2014
Achievement
Beginning HTML and CSS

How to Make a Website

Achieved
Jun 15, 2014
Achievement
Newbie

Achieved
Jun 15, 2014