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Oliver Sewell

Member Since January 10, 2015

Looking to make some new code friends

16,108

Total Points

•
4,811

JavaScript

4785 pts
Achievements

26 pts
Forum
•
4,144

CSS

4101 pts
Achievements

43 pts
Forum
•
2,177

PHP

2177 pts
Achievements

0 pts
Forum
•
1,362

HTML

1322 pts
Achievements

40 pts
Forum
•
1,017

Design

1004 pts
Achievements

13 pts
Forum
•
744

Development Tools

744 pts
Achievements

0 pts
Forum
•
417

C#

417 pts
Achievements

0 pts
Forum
•
72

Databases

72 pts
Achievements

0 pts
Forum
•
7

Digital Literacy

7 pts
Achievements

0 pts
Forum
•
3

Business

2 pts
Achievements

1 pts
Forum

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

211 Achievements

Achievement
What is Asynchronous Programming?

Asynchronous Programming with JavaScript

Achieved
Apr 8, 2024
Achievement
Traversing the DOM

Interacting with the DOM

Achieved
Apr 8, 2024
Achievement
Getting Started with PDO

PHP & Databases with PDO

Achieved
Apr 7, 2024
Achievement
Building the Recipe

Object-Oriented PHP Basics

Achieved
Apr 7, 2024
Achievement
Filtering Inputs and Escaping Outputs in PHP

Working with $_GET and $_POST in PHP

Achieved
Apr 3, 2024
Achievement
$_GET and $_POST

Working with $_GET and $_POST in PHP

Achieved
Apr 3, 2024
Achievement
Flexible Sized Grids

CSS Grid Layout

Achieved
Mar 29, 2024
Achievement
Introducing Grid Layout

CSS Grid Layout

Achieved
Mar 29, 2024
Achievement
PHPDB Stage 2: Querying the Database with PHP

Integrating PHP with Databases

Achieved
Mar 27, 2024
Achievement
PHPDB Stage 1: Databases and PHP

Integrating PHP with Databases

Achieved
Mar 26, 2024
Achievement
Getting Data from a Database

SQL Basics

Achieved
Mar 25, 2024
Achievement
Data, Databases and SQL

SQL Basics

Achieved
Mar 25, 2024
Achievement
PHP Inventory

Build a Basic PHP Website

Achieved
Mar 25, 2024
Achievement
PHP Includes

Build a Basic PHP Website

Achieved
Mar 23, 2024
Achievement
PHP Arrays

PHP Arrays and Control Structures

Achieved
Mar 21, 2024
Achievement
Introducing Unit Testing

JavaScript Unit Testing

Achieved
Nov 22, 2018
Achievement
Working with Classes in JavaScript

Object-Oriented JavaScript

Achieved
Nov 3, 2018
Achievement
Object Basics

Object-Oriented JavaScript

Achieved
Nov 3, 2018
Achievement
Introduction to Object-Oriented JavaScript

Object-Oriented JavaScript

Achieved
Nov 3, 2018
Achievement
Sweeping Vues: Loops, Methods, Directives

Vue.js Basics

Achieved
Nov 2, 2018
Achievement
What a Beautiful Vue!

Vue.js Basics

Achieved
Oct 23, 2018
Achievement
Introducing Vue

Vue.js Basics

Achieved
Oct 22, 2018
Achievement
Practice forEach

Practice forEach in JavaScript

Achieved
Oct 5, 2018
Achievement
Array Manipulation

JavaScript Array Iteration Methods

Achieved
Oct 4, 2018
Achievement
Array Iteration

JavaScript Array Iteration Methods

Achieved
Oct 4, 2018
Achievement
Archive Templates in WordPress

The WordPress Template Hierarchy

Achieved
Sep 2, 2017
Achievement
Page and Post Templates in WordPress

The WordPress Template Hierarchy

Achieved
Sep 2, 2017
Achievement
Homepage Templates in WordPress

The WordPress Template Hierarchy

Achieved
Sep 2, 2017
Achievement
Core WordPress Theme Files

The WordPress Template Hierarchy

Achieved
Sep 2, 2017
Achievement
How WordPress Templates Work

The WordPress Template Hierarchy

Achieved
Sep 1, 2017
Achievement
Installing WordPress Locally

Installing WordPress Locally

Achieved
Sep 1, 2017
Achievement
Handling Errors in Node

Node.js Basics 2017

Achieved
Aug 5, 2017
Achievement
Callbacks and the DOM

Callback Functions in JavaScript

Achieved
Jul 28, 2017
Achievement
Callbacks with Timers

Callback Functions in JavaScript

Achieved
Jul 27, 2017
Achievement
Introduction to Callback Functions

Callback Functions in JavaScript

Achieved
Jul 26, 2017
Achievement
Improve Your Workflow with Sass

Sass Basics

Achieved
Jul 9, 2017
Achievement
Getting Started with Sass

Sass Basics

Achieved
Jul 8, 2017
Achievement
Introducing Adobe Illustrator

Adobe Illustrator for Web Design

Achieved
Feb 17, 2017
Achievement
Adding 3D Effects with CSS

CSS Transitions and Transforms

Achieved
Feb 16, 2017
Achievement
Exporting Designs

Sketch Basics

Achieved
Feb 5, 2017
Achievement
Sketch Features

Sketch Basics

Achieved
Feb 5, 2017
Achievement
Introducing Sketch

Sketch Basics

Achieved
Feb 4, 2017
Achievement
Editing and Filtering Names

DOM Scripting By Example

Achieved
Jan 25, 2017
Achievement
Adding and Removing Names

DOM Scripting By Example

Achieved
Jan 25, 2017
Achievement
Designing Dataflow

React Basics (retired)

Achieved
Dec 2, 2016
Achievement
Stateful Components

React Basics (retired)

Achieved
Dec 2, 2016
Achievement
Thinking in Components

React Basics (retired)

Achieved
Dec 2, 2016
Achievement
First Steps in React

React Basics (retired)

Achieved
Dec 2, 2016
Achievement
ES2015 Basics

Introducing ES2015

Achieved
Nov 30, 2016
Achievement
Responding to User Interaction

Interacting with the DOM

Achieved
Nov 29, 2016
Achievement
Making Changes to the DOM

JavaScript and the DOM (Retiring)

Achieved
Nov 29, 2016
Achievement
Getting a Handle on the DOM

JavaScript and the DOM (Retiring)

Achieved
Nov 28, 2016
Achievement
The Browser Environment

JavaScript and the DOM (Retiring)

Achieved
Nov 26, 2016
Achievement
jQuery and AJAX

AJAX Basics (retiring)

Achieved
Oct 29, 2016
Achievement
Unit Converter

PHP Basics

Achieved
Sep 22, 2016
Achievement
Getting to Know PHP

PHP Basics

Achieved
Sep 22, 2016
Achievement
Custom Homepage Templates in WordPress

WordPress Theme Development

Achieved
Sep 18, 2016
Achievement
Adding a Blog to a WordPress Theme

WordPress Theme Development

Achieved
Sep 18, 2016
Achievement
Custom Post Type Templates

WordPress Theme Development

Achieved
Sep 17, 2016
Achievement
Building Out WordPress Navigation

WordPress Theme Development

Achieved
Aug 31, 2016
Achievement
Building Page Templates in WordPress

WordPress Theme Development

Achieved
Aug 30, 2016
Achievement
The WordPress Loop

WordPress Theme Development

Achieved
Aug 30, 2016
Achievement
WordPress Header and Footer Templates

WordPress Theme Development

Achieved
Aug 30, 2016
Achievement
Working with CSS and JS in WordPress Themes

WordPress Theme Development

Achieved
Aug 30, 2016
Achievement
Starting a WordPress Theme

WordPress Theme Development

Achieved
Aug 30, 2016
Achievement
Customizing WordPress Themes

How to Make a Website with WordPress

Achieved
Aug 30, 2016
Achievement
Local WordPress Development

Local WordPress Development

Achieved
Aug 29, 2016
Achievement
Installing Wordpress

How to Make a Website with WordPress

Achieved
Aug 29, 2016
Achievement
Perfect

C# Basics (Retired)

Achieved
Aug 22, 2016
Achievement
Perform

C# Basics (Retired)

Achieved
Aug 22, 2016
Achievement
Console I/O

C# Basics (Retired)

Achieved
Aug 21, 2016
Achievement
Prepare and Plan

C# Basics (Retired)

Achieved
Aug 21, 2016
Achievement
Constructor Functions & Prototypes

Object-Oriented JavaScript (2015)

Achieved
Aug 19, 2016
Achievement
Introduction to Methods

Object-Oriented JavaScript (2015)

Achieved
Aug 18, 2016
Achievement
Creating an SVG

SVG Basics

Achieved
Jun 25, 2016
Achievement
Working By Yourself

GitHub Basics

Achieved
Jun 21, 2016
Achievement
Hello, GitHub!

GitHub Basics

Achieved
Jun 21, 2016
Achievement
Understanding Classes

Object-Oriented PHP Basics

Achieved
Jun 9, 2016
Achievement
Why Object-Oriented Programming?

Object-Oriented PHP Basics

Achieved
Jun 9, 2016
Achievement
Programming AJAX

AJAX Basics (retiring)

Achieved
May 12, 2016
Achievement
AJAX Concepts

AJAX Basics (retiring)

Achieved
May 11, 2016
Achievement
Media Basics

HTML Video and Audio (Retired)

Achieved
May 9, 2016
Achievement
Compile Sass with Gulp

Gulp Basics

Achieved
May 6, 2016
Achievement
Gulp your JavaScript workflow!

Gulp Basics

Achieved
May 5, 2016
Achievement
Welcome to Gulp.js

Gulp Basics

Achieved
May 4, 2016
Achievement
Updating and Uninstalling Packages with npm

npm Basics (retiring)

Achieved
May 3, 2016
Achievement
Installing Packages with npm

npm Basics (retiring)

Achieved
May 3, 2016
Achievement
What is npm?

npm Basics (retiring)

Achieved
May 2, 2016
Achievement
Traversing and Manipulating the DOM with JavaScript

Interactive Web Pages with JavaScript

Achieved
May 2, 2016
Achievement
Selecting Elements and Adding Events with JavaScript

Interactive Web Pages with JavaScript

Achieved
May 1, 2016
Achievement
JavaScript Objects

JavaScript Loops, Arrays and Objects

Achieved
Apr 30, 2016
Achievement
JavaScript and the DOM

Interactive Web Pages with JavaScript

Achieved
Apr 29, 2016
Achievement
Introduction to SVG

SVG Basics

Achieved
Apr 18, 2016
Achievement
Why Version Control Matters

Git Basics

Achieved
Apr 18, 2016
Achievement
Workflows

Git Basics

Achieved
Apr 17, 2016
Achievement
Getting Started with Advanced Sass

Advanced Sass

Achieved
Apr 17, 2016
Achievement
Sass Grid System

Modular CSS with Sass

Achieved
Apr 16, 2016
Achievement
SMACSS and Sass

Modular CSS with Sass

Achieved
Apr 14, 2016
Achievement
Sass and BEM

Modular CSS with Sass

Achieved
Apr 14, 2016
Achievement
Getting Modular with Mixins and Functions

Modular CSS with Sass

Achieved
Apr 11, 2016
Achievement
Installing Sass and Setting up the Project

CSS to Sass

Achieved
Apr 6, 2016
Achievement
Speeding up Workflow With Sass

Sass Basics (retired)

Achieved
Apr 6, 2016
Achievement
Variables, Mixins, and Extending Selectors

Sass Basics (retired)

Achieved
Apr 5, 2016
Achievement
Getting Started with Sass

Sass Basics (retired)

Achieved
Apr 2, 2016
Achievement
Getting Started with CSS Transforms

CSS Transitions and Transforms

Achieved
Apr 1, 2016
Achievement
Transition Timing Functions and Delays

CSS Transitions and Transforms

Achieved
Mar 25, 2016
Achievement
Getting Started with CSS Transitions

CSS Transitions and Transforms

Achieved
Mar 24, 2016
Achievement
Introducing jQuery Plugins

Using jQuery Plugins

Achieved
Mar 13, 2016
Achievement
Creating a Simple Drawing Application

jQuery Basics (2014)

Achieved
Mar 12, 2016
Achievement
Creating a Mobile Drop Down Menu

jQuery Basics (2014)

Achieved
Mar 7, 2016
Achievement
Creating a Password Confirmation Form

jQuery Basics (2014)

Achieved
Mar 3, 2016
Achievement
PHP Objects and Classes

Object-Oriented PHP Basics (Retired)

Achieved
Feb 15, 2016
Achievement
PHP Email Forms

Build a Basic PHP Website (2018)

Achieved
Feb 5, 2016
Achievement
PHP Email Form Errors

Build a Basic PHP Website (2018)

Achieved
Feb 5, 2016
Achievement
PHP Internal Functions

PHP Functions

Achieved
Feb 1, 2016
Achievement
PHP Returns & Closures

PHP Functions

Achieved
Feb 1, 2016
Achievement
PHP Includes

Build a Basic PHP Website (2018)

Achieved
Jan 26, 2016
Achievement
PHP Functions Basics

PHP Functions

Achieved
Jan 26, 2016
Achievement
PHP Loops

PHP Basics (Retired)

Achieved
Jan 26, 2016
Achievement
Working With Remote Repositories

Git Basics

Achieved
Jan 16, 2016
Achievement
Merging

Git Basics

Achieved
Dec 25, 2015
Achievement
Branches

Git Basics

Achieved
Dec 25, 2015
Achievement
Getting Started With Git

Git Basics

Achieved
Dec 24, 2015
Achievement
Console Users and Permission

Console Foundations

Achieved
Dec 21, 2015
Achievement
Moving Around in the Console

Console Foundations

Achieved
Dec 19, 2015
Achievement
Responsive Patterns

Responsive Layouts

Achieved
Dec 16, 2015
Achievement
Media Queries

Responsive Layouts

Achieved
Dec 16, 2015
Achievement
Responsive Theory

Responsive Layouts

Achieved
Dec 16, 2015
Achievement
Building a Layout with Flexbox

CSS Flexbox Layout

Achieved
Dec 12, 2015
Achievement
Flexbox Properties

CSS Flexbox Layout

Achieved
Dec 12, 2015
Achievement
Understanding Flexbox

CSS Flexbox Layout

Achieved
Dec 12, 2015
Achievement
Positioning Page Content

CSS Layout Basics

Achieved
Dec 11, 2015
Achievement
CSS Layout Project

CSS Layout Basics

Achieved
Dec 9, 2015
Achievement
Page Layout with the Float Property

CSS Layout Basics

Achieved
Dec 9, 2015
Achievement
Controlling Layout with CSS Display Modes

CSS Layout Basics

Achieved
Dec 8, 2015
Achievement
Getting Started with CSS Layout

CSS Layout Basics

Achieved
Dec 8, 2015
Achievement
Build a Website With Bootstrap

Framework Basics

Achieved
Dec 6, 2015
Achievement
Prototyping With Bootstrap

Framework Basics

Achieved
Dec 5, 2015
Achievement
Introduction to Front-End Frameworks

Framework Basics

Achieved
Dec 3, 2015
Achievement
Customizing Drupal

Drupal Basics

Achieved
Nov 3, 2015
Achievement
Modules and Themes

Drupal Basics

Achieved
Oct 28, 2015
Achievement
Site Building with the Drupal Interface

Drupal Basics

Achieved
Oct 25, 2015
Achievement
Learn About Drupal

Drupal Basics

Achieved
Oct 24, 2015
Achievement
PHP Conditionals

PHP Basics (Retired)

Achieved
Oct 20, 2015
Achievement
PHP Datatypes

PHP Basics (Retired)

Achieved
Oct 19, 2015
Achievement
PHP Data & Structure

PHP Basics (Retired)

Achieved
Oct 17, 2015
Achievement
What is User Experience (UX)?

UX Basics

Achieved
Oct 4, 2015
Achievement
Finalizing the Project

Brand Identity Basics

Achieved
Oct 3, 2015
Achievement
Case Studies and Examples

Brand Identity Basics

Achieved
Oct 3, 2015
Achievement
The Brand Identity Design Process

Brand Identity Basics

Achieved
Oct 3, 2015
Achievement
Introduction to Brand Identity

Brand Identity Basics

Achieved
Oct 3, 2015
Achievement
Design Foundations Final

Design Foundations

Achieved
Oct 2, 2015
Achievement
Becoming a Problem Solver

Design Foundations

Achieved
Oct 2, 2015
Achievement
Understanding Aesthetics

Design Foundations

Achieved
Oct 2, 2015
Achievement
Structuring Tables

HTML Tables

Achieved
Sep 30, 2015
Achievement
Table Basics

HTML Tables

Achieved
Sep 30, 2015
Achievement
Choosing Options

HTML Forms

Achieved
Sep 26, 2015
Achievement
Creating an Icon

Illustrator Foundations

Achieved
Sep 14, 2015
Achievement
PHP Getting Started

PHP Basics (Retired)

Achieved
Sep 13, 2015
Achievement
Web Typography

CSS Foundations

Achieved
Sep 7, 2015
Achievement
Gradients

CSS Foundations

Achieved
Sep 6, 2015
Achievement
Organizing Forms

HTML Forms

Achieved
Aug 29, 2015
Achievement
Form Basics

HTML Forms

Achieved
Aug 28, 2015
Achievement
Advanced Selectors

CSS Selectors

Achieved
Aug 25, 2015
Achievement
Going Further with Attribute Selectors and Pseudo-Classes

CSS Selectors

Achieved
Aug 25, 2015
Achievement
Selectors - Beyond the Basics

CSS Selectors

Achieved
Aug 24, 2015
Achievement
Grid Layout

CSS Layout Techniques

Achieved
Aug 24, 2015
Achievement
Backgrounds and Borders

CSS Foundations

Achieved
Aug 23, 2015
Achievement
CSS Box Model

CSS Foundations

Achieved
Aug 22, 2015
Achievement
Text, Fonts, and Lists

CSS Foundations

Achieved
Aug 22, 2015
Achievement
Values and Units

CSS Foundations

Achieved
Aug 22, 2015
Achievement
Advanced Selectors

CSS Foundations

Achieved
Aug 21, 2015
Achievement
Selectors

CSS Foundations

Achieved
Aug 18, 2015
Achievement
Getting Started with CSS

CSS Foundations

Achieved
Aug 18, 2015
Achievement
Flexbox Layout

CSS Layout Techniques

Achieved
Aug 18, 2015
Achievement
Positioning Schemes

CSS Layout Techniques

Achieved
Aug 15, 2015
Achievement
Float Layout

CSS Layout Techniques

Achieved
Aug 14, 2015
Achievement
Display Modes

CSS Layout Techniques

Achieved
Aug 13, 2015
Achievement
Creating a Spoiler Revealer

jQuery Basics (2014)

Achieved
Jul 25, 2015
Achievement
Introduction to jQuery

jQuery Basics (2014)

Achieved
Jul 25, 2015
Achievement
Introduction to Design

Design Foundations

Achieved
Jul 24, 2015
Achievement
JavaScript Arrays

JavaScript Loops, Arrays and Objects

Achieved
Jul 19, 2015
Achievement
Introduction

HTML

Achieved
Jul 12, 2015
Achievement
JavaScript Loops

JavaScript Loops, Arrays and Objects

Achieved
Jul 7, 2015
Achievement
JavaScript Functions

JavaScript Basics (Retired)

Achieved
Jul 4, 2015
Achievement
JavaScript Conditional Statements

JavaScript Basics (Retired)

Achieved
Jul 3, 2015
Achievement
JavaScript Numbers

JavaScript Basics (Retired)

Achieved
Jul 2, 2015
Achievement
JavaScript Variables

JavaScript Basics (Retired)

Achieved
Jul 1, 2015
Achievement
Introducing JavaScript

JavaScript Basics (Retired)

Achieved
May 29, 2015
Achievement
Fundamental Concepts

CSS Basics (2014)

Achieved
May 9, 2015
Achievement
Designing with the Latest Features

CSS Basics (2014)

Achieved
May 9, 2015
Achievement
Basic Layout

CSS Basics (2014)

Achieved
May 6, 2015
Achievement
The Box Model

CSS Basics (2014)

Achieved
May 6, 2015
Achievement
Understanding Values and Units

CSS Basics (2014)

Achieved
May 5, 2015
Achievement
Basic Selectors

CSS Basics (2014)

Achieved
Feb 2, 2015
Achievement
The Logo Sprint

Logo Design Basics

Achieved
Feb 1, 2015
Achievement
Logo Design 101

Logo Design Basics

Achieved
Feb 1, 2015
Achievement
Getting Started with CSS

CSS Basics (2014)

Achieved
Feb 1, 2015
Achievement
Debugging HTML and CSS Problems

How to Make a Website

Achieved
Feb 1, 2015
Achievement
Sharing a Website

How to Make a Website

Achieved
Jan 31, 2015
Achievement
Responsive Web Design and Testing

How to Make a Website

Achieved
Jan 31, 2015
Achievement
MASH CSS

Treehouse Club - MASH

Achieved
Jan 30, 2015
Achievement
MASH HTML

Treehouse Club - MASH

Achieved
Jan 30, 2015
Achievement
Adding Pages to a Website

How to Make a Website

Achieved
Jan 29, 2015
Achievement
Styling Web Pages and Navigation

How to Make a Website

Achieved
Jan 28, 2015
Achievement
Customizing Colors and Fonts

How to Make a Website

Achieved
Jan 28, 2015
Achievement
CSS: Cascading Style Sheets

How to Make a Website

Achieved
Jan 28, 2015
Achievement
Creating HTML Content

How to Make a Website

Achieved
Jan 10, 2015
Achievement
HTML First

How to Make a Website

Achieved
Jan 10, 2015
Achievement
Beginning HTML and CSS

How to Make a Website

Achieved
Jan 10, 2015
Achievement
Newbie

Achieved
Jan 10, 2015