John Coolidge

John Coolidge

Michigan

I love languages, both computer and human. I also enjoy playing paintball, Dominion, Settlers of Catan, and spending time with my wife and kiddo. :)

12,614

Total Points

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

Skills & Experience

  • Spoken Languages

    • English
    • Spanish

  • Looking for work

    Yes

150 Achievements

  • Achievement

    Build a Simple Todo List Program

    Ruby Booleans

    Achieved

    Jul 7, 2016

    Build a Simple Todo List Program
  • Achievement

    Ruby Booleans

    Ruby Booleans

    Achieved

    Jul 6, 2016

    Ruby Booleans
  • Achievement

    PHP Loops

    PHP Basics (Retired)

    Achieved

    Jun 30, 2016

    PHP Loops
  • Achievement

    Build a Bank Account Class

    Ruby Objects and Classes

    Achieved

    Jun 28, 2016

    Build a Bank Account Class
  • Achievement

    Ruby Variables and Methods

    Ruby Objects and Classes

    Achieved

    Jun 27, 2016

    Ruby Variables and Methods
  • Achievement

    Ruby Objects and Classes

    Ruby Objects and Classes

    Achieved

    Jun 13, 2016

    Ruby Objects and Classes
  • Achievement

    Build a Simple Contact List

    Ruby Loops

    Achieved

    Jun 10, 2016

    Build a Simple Contact List
  • Achievement

    Ruby Iteration

    Ruby Loops

    Achieved

    Jun 10, 2016

    Ruby Iteration
  • Achievement

    Ruby Loops

    Ruby Loops

    Achieved

    Jun 9, 2016

    Ruby Loops
  • Achievement

    Build a Grocery List Program

    Ruby Collections

    Achieved

    Jun 8, 2016

    Build a Grocery List Program
  • Achievement

    Ruby Hashes

    Ruby Collections

    Achieved

    Jun 8, 2016

    Ruby Hashes
  • Achievement

    Ruby Arrays

    Ruby Collections

    Achieved

    Jun 3, 2016

    Ruby Arrays
  • Achievement

    Ruby Logical Operators

    Ruby Operators and Control Structures

    Achieved

    May 27, 2016

    Ruby Logical Operators
  • Achievement

    Ruby Control Structures

    Ruby Operators and Control Structures

    Achieved

    May 27, 2016

    Ruby Control Structures
  • Achievement

    Ruby Operators

    Ruby Operators and Control Structures

    Achieved

    May 27, 2016

    Ruby Operators
  • Achievement

    Ruby Methods

    Ruby Basics (Retired)

    Achieved

    May 26, 2016

    Ruby Methods
  • Achievement

    Ruby Numbers (Ruby Basics)

    Ruby Basics (Retired)

    Achieved

    May 26, 2016

    Ruby Numbers (Ruby Basics)
  • Achievement

    Ruby Strings (Ruby Basics)

    Ruby Basics (Retired)

    Achieved

    May 26, 2016

    Ruby Strings (Ruby Basics)
  • Achievement

    How Ruby Works

    Ruby Basics (Retired)

    Achieved

    May 25, 2016

    How Ruby Works
  • Achievement

    Developing Express Apps Like a Boss

    Express Basics (2015)

    Achieved

    May 15, 2016

    Developing Express Apps Like a Boss
  • Achievement

    Getting Started with Express

    Express Basics (2015)

    Achieved

    May 15, 2016

    Getting Started with Express
  • Achievement

    Updating and Uninstalling Packages with npm

    npm Basics (retiring)

    Achieved

    Mar 15, 2016

    Updating and Uninstalling Packages with npm
  • Achievement

    Installing Packages with npm

    npm Basics (retiring)

    Achieved

    Mar 15, 2016

    Installing Packages with npm
  • Achievement

    What is npm?

    npm Basics (retiring)

    Achieved

    Feb 24, 2016

    What is npm?
  • Achievement

    Advanced Sass Concepts

    Sass Basics (retired)

    Achieved

    Dec 16, 2015

    Advanced Sass Concepts
  • Achievement

    Speeding up Workflow With Sass

    Sass Basics (retired)

    Achieved

    Dec 16, 2015

    Speeding up Workflow With Sass
  • Achievement

    Variables, Mixins, and Extending Selectors

    Sass Basics (retired)

    Achieved

    Dec 14, 2015

    Variables, Mixins, and Extending Selectors
  • Achievement

    Getting Started with Sass

    Sass Basics (retired)

    Achieved

    Dec 10, 2015

    Getting Started with Sass
  • Achievement

    Positioning Page Content

    CSS Layout Basics

    Achieved

    Dec 10, 2015

    Positioning Page Content
  • Achievement

    CSS Layout Project

    CSS Layout Basics

    Achieved

    Dec 10, 2015

    CSS Layout Project
  • Achievement

    Page Layout with the Float Property

    CSS Layout Basics

    Achieved

    Dec 10, 2015

    Page Layout with the Float Property
  • Achievement

    Controlling Layout with CSS Display Modes

    CSS Layout Basics

    Achieved

    Dec 9, 2015

    Controlling Layout with CSS Display Modes
  • Achievement

    Getting Started with CSS Layout

    CSS Layout Basics

    Achieved

    Dec 9, 2015

    Getting Started with CSS Layout
  • Achievement

    Building a Layout with Flexbox

    CSS Flexbox Layout

    Achieved

    Dec 4, 2015

    Building a Layout with Flexbox
  • Achievement

    Flexbox Properties

    CSS Flexbox Layout

    Achieved

    Dec 2, 2015

    Flexbox Properties
  • Achievement

    Understanding Flexbox

    CSS Flexbox Layout

    Achieved

    Dec 2, 2015

    Understanding Flexbox
  • Achievement

    Improving Our Todo App

    AngularJS Basics (1.x)

    Achieved

    Dec 1, 2015

    Improving Our Todo App
  • Achievement

    Services in Angular

    AngularJS Basics (1.x)

    Achieved

    Dec 1, 2015

    Services in Angular
  • Achievement

    Using Angular's Built-in Directives

    AngularJS Basics (1.x)

    Achieved

    Nov 30, 2015

    Using Angular's Built-in Directives
  • Achievement

    Controllers and Scope

    AngularJS Basics (1.x)

    Achieved

    Nov 30, 2015

    Controllers and Scope
  • Achievement

    Getting Started with Angular

    AngularJS Basics (1.x)

    Achieved

    Nov 24, 2015

    Getting Started with Angular
  • Achievement

    Combine and Minify Assets

    Introduction to Front End Performance Optimization

    Achieved

    Nov 11, 2015

    Combine and Minify Assets
  • Achievement

    Optimize Assets

    Introduction to Front End Performance Optimization

    Achieved

    Nov 11, 2015

    Optimize Assets
  • Achievement

    Measuring Performance

    Introduction to Front End Performance Optimization

    Achieved

    Nov 11, 2015

    Measuring Performance
  • Achievement

    Planning for Performance

    Introduction to Front End Performance Optimization

    Achieved

    Nov 11, 2015

    Planning for Performance
  • Achievement

    Workflows

    Git Basics

    Achieved

    Nov 11, 2015

    Workflows
  • Achievement

    Working With Remote Repositories

    Git Basics

    Achieved

    Nov 11, 2015

    Working With Remote Repositories
  • Achievement

    Merging

    Git Basics

    Achieved

    Nov 11, 2015

    Merging
  • Achievement

    Branches

    Git Basics

    Achieved

    Nov 11, 2015

    Branches
  • Achievement

    Getting Started With Git

    Git Basics

    Achieved

    Nov 9, 2015

    Getting Started With Git
  • Achievement

    Why Version Control Matters

    Git Basics

    Achieved

    Nov 9, 2015

    Why Version Control Matters
  • Achievement

    Installing Programs

    Console Foundations

    Achieved

    Nov 9, 2015

    Installing Programs
  • Achievement

    Environment and Redirection

    Console Foundations

    Achieved

    Nov 9, 2015

    Environment and Redirection
  • Achievement

    Console Processes

    Console Foundations

    Achieved

    Nov 9, 2015

    Console Processes
  • Achievement

    Console Users and Permission

    Console Foundations

    Achieved

    Nov 3, 2015

    Console Users and Permission
  • Achievement

    Moving Around in the Console

    Console Foundations

    Achieved

    Nov 2, 2015

    Moving Around in the Console
  • Achievement

    Putting the "Fun" Back in "Functions"

    Python Basics (Retired)

    Achieved

    Oct 31, 2015

    Putting the "Fun" Back in "Functions"
  • Achievement

    Chrome DevTools Basics

    Website Optimization

    Achieved

    Oct 31, 2015

    Chrome DevTools Basics
  • Achievement

    Web Apps

    Accessibility

    Achieved

    Oct 30, 2015

    Web Apps
  • Achievement

    Websites

    Accessibility

    Achieved

    Oct 30, 2015

    Websites
  • Achievement

    Introduction

    Accessibility

    Achieved

    Oct 30, 2015

    Introduction
  • Achievement

    Grid Layout

    CSS Layout Techniques

    Achieved

    Oct 29, 2015

    Grid Layout
  • Achievement

    Flexbox Layout

    CSS Layout Techniques

    Achieved

    Oct 29, 2015

    Flexbox Layout
  • Achievement

    Positioning Schemes

    CSS Layout Techniques

    Achieved

    Oct 28, 2015

    Positioning Schemes
  • Achievement

    Float Layout

    CSS Layout Techniques

    Achieved

    Oct 28, 2015

    Float Layout
  • Achievement

    Display Modes

    CSS Layout Techniques

    Achieved

    Oct 27, 2015

    Display Modes
  • Achievement

    Responsive Patterns

    Responsive Layouts

    Achieved

    Oct 23, 2015

    Responsive Patterns
  • Achievement

    Media Queries

    Responsive Layouts

    Achieved

    Oct 23, 2015

    Media Queries
  • Achievement

    Responsive Theory

    Responsive Layouts

    Achieved

    Oct 23, 2015

    Responsive Theory
  • Achievement

    Custom Media Players

    HTML Video and Audio (Retired)

    Achieved

    Oct 23, 2015

    Custom Media Players
  • Achievement

    Captioning Video

    HTML Video and Audio (Retired)

    Achieved

    Oct 23, 2015

    Captioning Video
  • Achievement

    Media Basics

    HTML Video and Audio (Retired)

    Achieved

    Oct 22, 2015

    Media Basics
  • Achievement

    HTTP Methods and Headers

    Build a Simple Dynamic Site with Node.js

    Achieved

    Sep 24, 2015

    HTTP Methods and Headers
  • Achievement

    Creating a Basic Template Engine in Node.js

    Build a Simple Dynamic Site with Node.js

    Achieved

    Sep 23, 2015

    Creating a Basic Template Engine in Node.js
  • Achievement

    Handling Routes in Node.js

    Build a Simple Dynamic Site with Node.js

    Achieved

    Sep 23, 2015

    Handling Routes in Node.js
  • Achievement

    Creating a Simple Server in Node.js

    Build a Simple Dynamic Site with Node.js

    Achieved

    Sep 22, 2015

    Creating a Simple Server in Node.js
  • Achievement

    Building a Command Line Application

    Node.js Basics (2014)

    Achieved

    Sep 15, 2015

    Building a Command Line Application
  • Achievement

    Introduction to Node.js

    Node.js Basics (2014)

    Achieved

    Sep 14, 2015

    Introduction to Node.js
  • Achievement

    AJAX and APIs

    AJAX Basics (retiring)

    Achieved

    Sep 14, 2015

    AJAX and APIs
  • Achievement

    jQuery and AJAX

    AJAX Basics (retiring)

    Achieved

    Sep 10, 2015

    jQuery and AJAX
  • Achievement

    Programming AJAX

    AJAX Basics (retiring)

    Achieved

    Sep 7, 2015

    Programming AJAX
  • Achievement

    AJAX Concepts

    AJAX Basics (retiring)

    Achieved

    Sep 4, 2015

    AJAX Concepts
  • Achievement

    Using a jQuery Carousel

    Using jQuery Plugins

    Achieved

    Sep 3, 2015

    Using a jQuery Carousel
  • Achievement

    Add a Sticky Navigation Bar

    Using jQuery Plugins

    Achieved

    Sep 3, 2015

    Add a Sticky Navigation Bar
  • Achievement

    Introducing jQuery Plugins

    Using jQuery Plugins

    Achieved

    Sep 2, 2015

    Introducing jQuery Plugins
  • Achievement

    Quiz Practice Project

    Object-Oriented JavaScript (2015)

    Achieved

    Aug 28, 2015

    Quiz Practice Project
  • Achievement

    Prototypal Inheritance

    Object-Oriented JavaScript (2015)

    Achieved

    Aug 28, 2015

    Prototypal Inheritance
  • Achievement

    Traversing and Manipulating the DOM with JavaScript

    Interactive Web Pages with JavaScript

    Achieved

    Aug 21, 2015

    Traversing and Manipulating the DOM with JavaScript
  • Achievement

    Selecting Elements and Adding Events with JavaScript

    Interactive Web Pages with JavaScript

    Achieved

    Aug 18, 2015

    Selecting Elements and Adding Events with JavaScript
  • Achievement

    JavaScript and the DOM

    Interactive Web Pages with JavaScript

    Achieved

    Aug 17, 2015

    JavaScript and the DOM
  • Achievement

    Creating a Simple Drawing Application

    jQuery Basics (2014)

    Achieved

    Aug 14, 2015

    Creating a Simple Drawing Application
  • Achievement

    Creating a Password Confirmation Form

    jQuery Basics (2014)

    Achieved

    Aug 3, 2015

    Creating a Password Confirmation Form
  • Achievement

    Creating a Mobile Drop Down Menu

    jQuery Basics (2014)

    Achieved

    Aug 3, 2015

    Creating a Mobile Drop Down Menu
  • Achievement

    Creating a Simple Lightbox

    jQuery Basics (2014)

    Achieved

    Jul 21, 2015

    Creating a Simple Lightbox
  • Achievement

    Creating a Spoiler Revealer

    jQuery Basics (2014)

    Achieved

    Jul 20, 2015

    Creating a Spoiler Revealer
  • Achievement

    Introduction to jQuery

    jQuery Basics (2014)

    Achieved

    Jul 20, 2015

    Introduction to jQuery
  • Achievement

    Constructor Functions & Prototypes

    Object-Oriented JavaScript (2015)

    Achieved

    Jul 16, 2015

    Constructor Functions & Prototypes
  • Achievement

    Introduction to Methods

    Object-Oriented JavaScript (2015)

    Achieved

    Jul 13, 2015

    Introduction to Methods
  • Achievement

    JavaScript Objects

    JavaScript Loops, Arrays and Objects

    Achieved

    Jul 13, 2015

    JavaScript Objects
  • Achievement

    JavaScript Arrays

    JavaScript Loops, Arrays and Objects

    Achieved

    Jul 7, 2015

    JavaScript Arrays
  • Achievement

    JavaScript Loops

    JavaScript Loops, Arrays and Objects

    Achieved

    Jul 5, 2015

    JavaScript Loops
  • Achievement

    JavaScript Functions

    JavaScript Basics (Retired)

    Achieved

    Jun 29, 2015

    JavaScript Functions
  • Achievement

    JavaScript Conditional Statements

    JavaScript Basics (Retired)

    Achieved

    Jun 25, 2015

    JavaScript Conditional Statements
  • Achievement

    JavaScript Numbers

    JavaScript Basics (Retired)

    Achieved

    May 26, 2015

    JavaScript Numbers
  • Achievement

    JavaScript Variables

    JavaScript Basics (Retired)

    Achieved

    May 20, 2015

    JavaScript Variables
  • Achievement

    Introducing JavaScript

    JavaScript Basics (Retired)

    Achieved

    May 20, 2015

    Introducing JavaScript
  • Achievement

    Shopping List

    Python Basics (Retired)

    Achieved

    Apr 26, 2015

    Shopping List
  • Achievement

    Things That Count

    Python Basics (Retired)

    Achieved

    Apr 26, 2015

    Things That Count
  • Achievement

    Ins & Outs

    Python Basics (Retired)

    Achieved

    Apr 26, 2015

    Ins & Outs
  • Achievement

    Say Hello to Python

    Python Basics (Retired)

    Achieved

    Apr 26, 2015

    Say Hello to Python
  • Achievement

    PHP Conditionals

    PHP Basics (Retired)

    Achieved

    Apr 25, 2015

    PHP Conditionals
  • Achievement

    PHP Datatypes

    PHP Basics (Retired)

    Achieved

    Apr 24, 2015

    PHP Datatypes
  • Achievement

    PHP Data & Structure

    PHP Basics (Retired)

    Achieved

    Apr 21, 2015

    PHP Data & Structure
  • Achievement

    PHP Getting Started

    PHP Basics (Retired)

    Achieved

    Apr 21, 2015

    PHP Getting Started
  • Achievement

    Forms

    HTML

    Achieved

    Apr 21, 2015

    Forms
  • Achievement

    Tables

    HTML

    Achieved

    Apr 20, 2015

    Tables
  • Achievement

    Objects

    HTML

    Achieved

    Apr 20, 2015

    Objects
  • Achievement

    Links

    HTML

    Achieved

    Apr 20, 2015

    Links
  • Achievement

    Lists

    HTML

    Achieved

    Apr 19, 2015

    Lists
  • Achievement

    Text

    HTML

    Achieved

    Apr 19, 2015

    Text
  • Achievement

    Introduction

    HTML

    Achieved

    Apr 18, 2015

    Introduction
  • Achievement

    Perfecting the Prototype

    Java Basics

    Achieved

    Apr 17, 2015

    Perfecting the Prototype
  • Achievement

    Using your New Tools

    Java Basics

    Achieved

    Apr 15, 2015

    Using your New Tools
  • Achievement

    Getting Started with Java

    Java Basics

    Achieved

    Apr 14, 2015

    Getting Started with Java
  • Achievement

    Structuring Tables

    HTML Tables

    Achieved

    Apr 13, 2015

    Structuring Tables
  • Achievement

    Table Basics

    HTML Tables

    Achieved

    Apr 13, 2015

    Table Basics
  • Achievement

    Choosing Options

    HTML Forms

    Achieved

    Apr 9, 2015

    Choosing Options
  • Achievement

    Organizing Forms

    HTML Forms

    Achieved

    Apr 6, 2015

    Organizing Forms
  • Achievement

    Form Basics

    HTML Forms

    Achieved

    Apr 4, 2015

    Form Basics
  • Achievement

    Advanced Selectors

    CSS Selectors

    Achieved

    Apr 2, 2015

    Advanced Selectors
  • Achievement

    Going Further with Attribute Selectors and Pseudo-Classes

    CSS Selectors

    Achieved

    Mar 28, 2015

    Going Further with Attribute Selectors and Pseudo-Classes
  • Achievement

    Selectors - Beyond the Basics

    CSS Selectors

    Achieved

    Mar 28, 2015

    Selectors - Beyond the Basics
  • Achievement

    Fundamental Concepts

    CSS Basics (2014)

    Achieved

    Mar 27, 2015

    Fundamental Concepts
  • Achievement

    Designing with the Latest Features

    CSS Basics (2014)

    Achieved

    Mar 27, 2015

    Designing with the Latest Features
  • Achievement

    Basic Layout

    CSS Basics (2014)

    Achieved

    Mar 26, 2015

    Basic Layout
  • Achievement

    The Box Model

    CSS Basics (2014)

    Achieved

    Mar 25, 2015

    The Box Model
  • Achievement

    Understanding Values and Units

    CSS Basics (2014)

    Achieved

    Mar 24, 2015

    Understanding Values and Units
  • Achievement

    Basic Selectors

    CSS Basics (2014)

    Achieved

    Mar 23, 2015

    Basic Selectors
  • Achievement

    Getting Started with CSS

    CSS Basics (2014)

    Achieved

    Mar 23, 2015

    Getting Started with CSS
  • Achievement

    Debugging HTML and CSS Problems

    How to Make a Website

    Achieved

    Mar 21, 2015

    Debugging HTML and CSS Problems
  • Achievement

    Sharing a Website

    How to Make a Website

    Achieved

    Mar 20, 2015

    Sharing a Website
  • Achievement

    Responsive Web Design and Testing

    How to Make a Website

    Achieved

    Mar 19, 2015

    Responsive Web Design and Testing
  • Achievement

    Adding Pages to a Website

    How to Make a Website

    Achieved

    Mar 19, 2015

    Adding Pages to a Website
  • Achievement

    Styling Web Pages and Navigation

    How to Make a Website

    Achieved

    Mar 18, 2015

    Styling Web Pages and Navigation
  • Achievement

    Customizing Colors and Fonts

    How to Make a Website

    Achieved

    Mar 18, 2015

    Customizing Colors and Fonts
  • Achievement

    CSS: Cascading Style Sheets

    How to Make a Website

    Achieved

    Mar 17, 2015

    CSS: Cascading Style Sheets
  • Achievement

    Creating HTML Content

    How to Make a Website

    Achieved

    Mar 17, 2015

    Creating HTML Content
  • Achievement

    HTML First

    How to Make a Website

    Achieved

    Mar 16, 2015

    HTML First
  • Achievement

    Beginning HTML and CSS

    How to Make a Website

    Achieved

    Mar 16, 2015

    Beginning HTML and CSS
  • Achievement

    Newbie

    Achieved

    Mar 16, 2015

    Newbie