Sean T. Unwin

Sean T. Unwin

Treehouse Moderator

Ontario, Canada

A passionate web developer with talent in graphic design (with Photoshop, Illustrator, Flash, Inkscape) and front-end development (HTML5, CSS3, JavaScript, jQuery, Foundation, Sass, Gulp) while proficient with Nodejs, Git, PHP, Apache, and Linux.

Skills & Experience

  • Company

    Dowler-Karn Limited

  • Job Title

    Programmer / IT Support

302 Achievements

  • Introducing JavaScript
  • What a Beautiful Vue!
  • Ordering, Limiting and Paging Results
  • Practicing Classes
  • Getters and Setters
  • Working with Classes in JavaScript
  • Practicing Object Basics
  • Object Basics
  • Introduction to Object-Oriented JavaScript
  • Introducing Vue
  • Finding the Data You Want
  • Getting Data from a Database
  • Data, Databases and SQL
  • Fundamentals of Docker
  • Docker Use Cases
  • Reformatting User Input
  • Validating a Form with Regular Expressions
  • Regular Expressions
  • Unit Converter
  • Getting a Handle on the DOM
  • The Browser Environment
  • Getting to Know PHP
  • Improving Our Todo App
  • Services in Angular
  • Using Angular's Built-in Directives
  • Controllers and Scope
  • Getting Started with Angular
  • GET and POST Requests in a Browser
  • Introduction to HTTP
  • Python For Beginners
  • Getting Started with CSS
  • An Overview of Menus in WordPress
  • Quiz Practice Project
  • Prototypal Inheritance
  • Constructor Functions & Prototypes
  • Introduction to Methods
  • Improving your Gulp Workflow
  • Compile Sass with Gulp
  • Keyframe and Line Drawing Animations
  • Transitions and Transforms
  • Gulp your JavaScript workflow!
  • Welcome to Gulp.js
  • JavaScript Objects
  • JavaScript Arrays
  • JavaScript Loops
  • Cleaning URLs with Rewrite Rules
  • Buggy Logs
  • Cleaner Code
  • Cleaning URLs with Subfolders
  • Launching and Supporting a WordPress Plugin
  • Building WordPress Template Tags, Widgets, and Shortcodes
  • Connecting WordPress Plugins with 3rd Party APIs
  • Building a WordPress Plugin Settings Page
  • More Advanced PHP for WordPress
  • PHP Basics for WordPress
  • Introduction to PHP for WordPress
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • Integrating Validation Errors
  • Local Python
  • Hack-n-Slash
  • Python Inheritance
  • Python Objects
  • Dungeon Game
  • Tuples
  • Dictionaries
  • Art Direction with the Picture Element
  • Image Delivery with Srcset and Sizes
  • Custom Media Players
  • Captioning Video
  • Media Basics
  • Hooking Into WordPress Plugins
  • Action Functions in WordPress
  • Filter Functions in WordPress
  • An Overview of Hooks in WordPress
  • Data Binding with D3
  • Selections with D3
  • Custom Dashboard Widgets
  • Controlling Admin Navigation
  • Customizing the Login Screen
  • Admin Color Schemes
  • Creating an SVG
  • Introduction to SVG
  • PHP Internal Functions
  • PHP Returns & Closures
  • PHP Functions Basics
  • Create Bootstrap Styled Theme Templates
  • Add Bootstrap Components to WordPress Theme
  • Setup a Bootstrap Theme
  • Custom WordPress Customizer Settings
  • Native WordPress Customizer Options
  • Overview of the WordPress Customizer
  • Combine and Minify Assets
  • Optimize Assets
  • Measuring Performance
  • Planning for Performance
  • Finishing Your WordPress Theme
  • Custom Homepage Templates in WordPress
  • Adding a Blog to a WordPress Theme
  • Custom Post Type Templates
  • Building Out WordPress Navigation
  • Building Page Templates in WordPress
  • The WordPress Loop
  • WordPress Header and Footer Templates
  • Working with CSS and JS in WordPress Themes
  • Starting a WordPress Theme
  • A Template Hierarchy Review
  • Media Templates in WordPress
  • Custom Post Type Templates
  • Archive Templates in WordPress
  • Page and Post Templates in WordPress
  • Homepage Templates in WordPress
  • Core WordPress Theme Files
  • The WordPress Codex
  • How WordPress Templates Work
  • What's New in Foundation 5
  • Build a Website With Foundation
  • Prototyping With Foundation
  • Build a Website With Bootstrap
  • Building a Command Line Application
  • Introduction to Node.js
  • Make Your Own AngularJS Widget
  • Extending Inputs
  • AngularJS Directives
  • Services and Dependencies
  • Two-way Data Binding
  • AngularJS MVC Frameworks
  • Spriting with Compass
  • Compass Helper Functions
  • Compass Layout and Typography
  • Getting Started with Compass
  • AJAX and APIs
  • jQuery and AJAX
  • Programming AJAX
  • AJAX Concepts
  • PHP Inheritance & Interfaces
  • PHP Properties & Methods
  • PHP Objects and Classes
  • PHP Loops
  • PHP Conditionals
  • PHP Datatypes
  • PHP Data & Structure
  • PHP Getting Started
  • WordPress Admin Settings
  • Slices
  • Lists Redux
  • Chrome DevTools Basics
  • Pick a Number! Any Number!
  • Putting the "Fun" Back in "Functions"
  • Shopping List
  • Things That Count
  • Ins & Outs
  • Say Hello to Python
  • Introduction to Illustrator
  • Design Foundations Final
  • Becoming a Problem Solver
  • Understanding Aesthetics
  • Introduction to Design
  • Grid Layout
  • Flexbox Layout
  • Positioning Schemes
  • Float Layout
  • Display Modes
  • Structuring Tables
  • Table Basics
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Traversing and Manipulating the DOM with JavaScript
  • Selecting Elements and Adding Events with JavaScript
  • JavaScript and the DOM
  • Prototyping With Bootstrap
  • DNS Basics
  • Getting Started with WordPress
  • How WordPress Plugins Work
  • Introduction to Front-End Frameworks
  • Local WordPress Development
  • Creating a Simple Drawing Application
  • Creating a Password Confirmation Form
  • Creating a Mobile Drop Down Menu
  • Creating a Spoiler Revealer
  • Creating a Simple Lightbox
  • Introduction to jQuery
  • Debugging HTML and CSS Problems
  • Sharing a Website
  • Responsive Web Design and Testing
  • Adding Pages to a Website
  • Styling Web Pages and Navigation
  • Customizing Colors and Fonts
  • CSS: Cascading Style Sheets
  • Creating HTML Content
  • HTML First
  • Beginning HTML and CSS
  • Workflows
  • Working With Remote Repositories
  • Merging
  • Branches
  • Getting Started With Git
  • Why Version Control Matters
  • Customizing Google Maps
  • Google Maps Integration
  • jQuery Plugins
  • Form Validation and Manipulation
  • Advanced Sass Concepts
  • Speeding up Workflow With Sass
  • Variables, Mixins, and Extending Selectors
  • Getting Started with Sass
  • WordPress Plugin Best Practices
  • Widgets and Custom Menus
  • Custom Post Types and Fields
  • Customizing WordPress Themes
  • WordPress Themes
  • Installing Wordpress
  • Simple PHP Application: Wrapping Up The Project
  • Starting a Freelance Career
  • Working with PHP Functions
  • Introduction to jQuery
  • Integrating With Paypal
  • Launching a WordPress Site
  • WordPress and Forms
  • Extending WordPress Template Functionality
  • Converting Static HTML into WordPress Templates
  • Preparing to Code WordPress Templates
  • WordPress Theme Functions
  • WordPress Theme Templates
  • Content Strategy with WordPress
  • Listing Inventory Items
  • Adding a Contact Form
  • Creating the Menu and Footer
  • Getting Started with PHP
  • Defining the Project
  • Intro to User Experience
  • Advanced Techniques
  • Responsive Design
  • Adaptive Design
  • Why Start a Business?
  • Fluid Foundation
  • Web Apps
  • Websites
  • Introduction
  • Introduction to Responsive Web Design
  • Graphic Basics
  • Media Queries
  • CSS Animations
  • Transitions and Transforms
  • Web Typography
  • Backgrounds and Borders
  • Installing Programs
  • Environment and Redirection
  • Console Processes
  • Console Users and Permission
  • Moving Around in the Console
  • Functions
  • Objects and Arrays
  • Control Structures
  • Basics
  • Color Theory
  • Principles
  • Elements
  • Website Basics
  • CSS Box Model
  • Text, Fonts, and Lists
  • Values and Units
  • Advanced Selectors
  • Workflow Basics
  • Slices & Save for Web
  • Vector Shapes
  • Type Tools
  • Masks Basics
  • Layer Basics
  • Workspace Basics
  • JavaScript Objects
  • JavaScript Functions
  • JavaScript Arrays
  • JavaScript Numbers
  • JavaScript Strings
  • Introduction Variables
  • Customizing WordPress
  • Managing Comments
  • Configuring WordPress
  • Selectors
  • Getting Started with CSS
  • Forms
  • Tables
  • Objects
  • Links
  • Lists
  • Introduction
  • Text
  • Launching the Website
  • Styling Content
  • Creating a Website Structure
  • Text Editors and HTML
  • Website Basics
  • Getting Started with WordPress
  • Gradients
  • Flexbox and Multi-Column Layout
  • Adding and Editing Content in WordPress
  • Newbie