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Christian Hensen

New York, NY

Open to Work

9,457

Total Points

•
3,158

JavaScript

3158 pts
Achievements

0 pts
Forum
•
1,059

HTML

1059 pts
Achievements

0 pts
Forum
•
837

PHP

837 pts
Achievements

0 pts
Forum
•
639

CSS

639 pts
Achievements

0 pts
Forum
•
489

Ruby

489 pts
Achievements

0 pts
Forum
•
432

Development Tools

432 pts
Achievements

0 pts
Forum
•
419

Python

419 pts
Achievements

0 pts
Forum
•
9

Databases

9 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.

Skills & Experience

119 Achievements

Achievement
AJAX and APIs

AJAX Basics (retiring)

Achieved
Sep 21, 2016
Achievement
jQuery and AJAX

AJAX Basics (retiring)

Achieved
Sep 21, 2016
Achievement
Programming AJAX

AJAX Basics (retiring)

Achieved
Sep 21, 2016
Achievement
AJAX Concepts

AJAX Basics (retiring)

Achieved
Sep 21, 2016
Achievement
Traversing and Manipulating the DOM with JavaScript

Interactive Web Pages with JavaScript

Achieved
Sep 20, 2016
Achievement
Selecting Elements and Adding Events with JavaScript

Interactive Web Pages with JavaScript

Achieved
Sep 19, 2016
Achievement
JavaScript and the DOM

Interactive Web Pages with JavaScript

Achieved
Sep 19, 2016
Achievement
Creating a Simple Drawing Application

jQuery Basics (2014)

Achieved
Sep 19, 2016
Achievement
Creating a Password Confirmation Form

jQuery Basics (2014)

Achieved
Sep 18, 2016
Achievement
Creating a Mobile Drop Down Menu

jQuery Basics (2014)

Achieved
Sep 18, 2016
Achievement
Creating a Simple Lightbox

jQuery Basics (2014)

Achieved
Sep 15, 2016
Achievement
Creating a Spoiler Revealer

jQuery Basics (2014)

Achieved
Sep 9, 2016
Achievement
Introduction to jQuery

jQuery Basics (2014)

Achieved
Sep 8, 2016
Achievement
JavaScript Objects

JavaScript Loops, Arrays and Objects

Achieved
Sep 8, 2016
Achievement
JavaScript Arrays

JavaScript Loops, Arrays and Objects

Achieved
Sep 8, 2016
Achievement
JavaScript Loops

JavaScript Loops, Arrays and Objects

Achieved
Sep 6, 2016
Achievement
JavaScript Functions

JavaScript Basics (Retired)

Achieved
Aug 29, 2016
Achievement
JavaScript Conditional Statements

JavaScript Basics (Retired)

Achieved
Aug 29, 2016
Achievement
JavaScript Numbers

JavaScript Basics (Retired)

Achieved
Aug 29, 2016
Achievement
JavaScript Variables

JavaScript Basics (Retired)

Achieved
Aug 29, 2016
Achievement
Introducing JavaScript

JavaScript Basics (Retired)

Achieved
Aug 29, 2016
Achievement
Getting Started with Data Science

Data Science Basics

Achieved
Aug 2, 2016
Achievement
Structs as Data Models

Build a Simple iPhone App with Swift 2.0

Achieved
Apr 13, 2016
Achievement
View Controllers and Views

Build a Simple iPhone App with Swift 2.0

Achieved
Apr 11, 2016
Achievement
Getting Started with iOS Development

Build a Simple iPhone App with Swift 2.0

Achieved
Apr 10, 2016
Achievement
Differentiating Between Objects

Object-Oriented Swift 2.0

Achieved
Apr 10, 2016
Achievement
Class Inheritance

Object-Oriented Swift 2.0

Achieved
Apr 10, 2016
Achievement
Classes

Object-Oriented Swift 2.0

Achieved
Apr 10, 2016
Achievement
Complex Data Structures

Object-Oriented Swift 2.0

Achieved
Apr 10, 2016
Achievement
Function Parameters

Swift 2.0 Functions

Achieved
Apr 9, 2016
Achievement
Functions in Swift 2.0

Swift 2.0 Functions

Achieved
Apr 9, 2016
Achievement
Control Flow with Conditional Statements

Swift 2.0 Collections and Control Flow

Achieved
Apr 9, 2016
Achievement
Control Flow With Loops

Swift 2.0 Collections and Control Flow

Achieved
Apr 9, 2016
Achievement
Swift Dictionaries

Swift 2.0 Collections and Control Flow

Achieved
Apr 9, 2016
Achievement
Introduction to Collections

Swift 2.0 Collections and Control Flow

Achieved
Apr 9, 2016
Achievement
Swift Operators

Swift 2.0 Basics

Achieved
Apr 9, 2016
Achievement
Swift Types

Swift 2.0 Basics

Achieved
Apr 8, 2016
Achievement
An Introduction to Swift Programming

Swift 2.0 Basics

Achieved
Apr 6, 2016
Achievement
Services in Angular

AngularJS Basics (1.x)

Achieved
Nov 23, 2015
Achievement
Improving Our Todo App

AngularJS Basics (1.x)

Achieved
Nov 23, 2015
Achievement
Using Angular's Built-in Directives

AngularJS Basics (1.x)

Achieved
Nov 22, 2015
Achievement
Controllers and Scope

AngularJS Basics (1.x)

Achieved
Nov 22, 2015
Achievement
Getting Started with Angular

AngularJS Basics (1.x)

Achieved
Nov 22, 2015
Achievement
Quiz Practice Project

Object-Oriented JavaScript (2015)

Achieved
Nov 9, 2015
Achievement
Prototypal Inheritance

Object-Oriented JavaScript (2015)

Achieved
Nov 9, 2015
Achievement
Constructor Functions & Prototypes

Object-Oriented JavaScript (2015)

Achieved
Nov 9, 2015
Achievement
Introduction to Methods

Object-Oriented JavaScript (2015)

Achieved
Nov 9, 2015
Achievement
Swift Parameters and Tuples

Swift Functions and Optionals

Achieved
Jun 28, 2015
Achievement
Swift Functions

Swift Functions and Optionals

Achieved
Jun 28, 2015
Achievement
Control Flow

Swift Basics (retired)

Achieved
Jun 28, 2015
Achievement
Collections

Swift Basics (retired)

Achieved
Jun 25, 2015
Achievement
Operators

Swift Basics (retired)

Achieved
Jun 25, 2015
Achievement
Types

Swift Basics (retired)

Achieved
Jun 23, 2015
Achievement
Variables and Constants

Swift Basics (retired)

Achieved
Jun 23, 2015
Achievement
PHP Conditionals

PHP Basics (Retired)

Achieved
Oct 29, 2014
Achievement
PHP Datatypes

PHP Basics (Retired)

Achieved
Oct 24, 2014
Achievement
PHP Data & Structure

PHP Basics (Retired)

Achieved
Oct 22, 2014
Achievement
PHP Getting Started

PHP Basics (Retired)

Achieved
Oct 22, 2014
Achievement
Pick a Number! Any Number!

Python Basics (Retired)

Achieved
Jul 28, 2014
Achievement
Putting the "Fun" Back in "Functions"

Python Basics (Retired)

Achieved
Jul 28, 2014
Achievement
Shopping List

Python Basics (Retired)

Achieved
Jul 28, 2014
Achievement
Things That Count

Python Basics (Retired)

Achieved
Jul 25, 2014
Achievement
Ins & Outs

Python Basics (Retired)

Achieved
Jul 25, 2014
Achievement
Say Hello to Python

Python Basics (Retired)

Achieved
Jul 25, 2014
Achievement
Joining Relational Data Between Tables in SQL

Database Foundations

Achieved
Jun 6, 2014
Achievement
Manipulating Schema with SQL

Database Foundations

Achieved
Jun 6, 2014
Achievement
Creating Tables and Manipulating Data with SQL

Database Foundations

Achieved
Jun 5, 2014
Achievement
Reading Data from Databases with SQL

Database Foundations

Achieved
Jun 5, 2014
Achievement
Installing MySQL Server and MySQL Workbench

Database Foundations

Achieved
Jun 5, 2014
Achievement
Introduction to Data, Databases and SQL

Database Foundations

Achieved
Jun 5, 2014
Achievement
Cleaning URLs with Subfolders

Enhancing a Simple PHP Application

Achieved
Apr 17, 2014
Achievement
Integrating Validation Errors

Enhancing a Simple PHP Application

Achieved
Apr 16, 2014
Achievement
Debugging HTML and CSS Problems

How to Make a Website

Achieved
Apr 16, 2014
Achievement
Sharing a Website

How to Make a Website

Achieved
Apr 16, 2014
Achievement
Responsive Web Design and Testing

How to Make a Website

Achieved
Apr 16, 2014
Achievement
Adding Pages to a Website

How to Make a Website

Achieved
Apr 16, 2014
Achievement
Styling Web Pages and Navigation

How to Make a Website

Achieved
Apr 16, 2014
Achievement
Customizing Colors and Fonts

How to Make a Website

Achieved
Apr 16, 2014
Achievement
CSS: Cascading Style Sheets

How to Make a Website

Achieved
Apr 16, 2014
Achievement
Creating HTML Content

How to Make a Website

Achieved
Apr 15, 2014
Achievement
HTML First

How to Make a Website

Achieved
Apr 15, 2014
Achievement
Beginning HTML and CSS

How to Make a Website

Achieved
Apr 15, 2014
Achievement
Simple PHP Application: Wrapping Up The Project

Build a Simple PHP Application

Achieved
Apr 15, 2014
Achievement
Working with PHP Functions

Build a Simple PHP Application

Achieved
Apr 8, 2014
Achievement
Integrating With Paypal

Build a Simple PHP Application

Achieved
Apr 7, 2014
Achievement
Listing Inventory Items

Build a Simple PHP Application

Achieved
Apr 6, 2014
Achievement
Adding a Contact Form

Build a Simple PHP Application

Achieved
Apr 5, 2014
Achievement
Forms

HTML

Achieved
Apr 5, 2014
Achievement
Tables

HTML

Achieved
Apr 5, 2014
Achievement
Objects

HTML

Achieved
Apr 5, 2014
Achievement
Links

HTML

Achieved
Apr 5, 2014
Achievement
Lists

HTML

Achieved
Apr 5, 2014
Achievement
Text

HTML

Achieved
Apr 5, 2014
Achievement
Introduction

HTML

Achieved
Apr 5, 2014
Achievement
Functions

Introduction to Programming

Achieved
Apr 4, 2014
Achievement
Objects and Arrays

Introduction to Programming

Achieved
Apr 4, 2014
Achievement
Control Structures

Introduction to Programming

Achieved
Apr 4, 2014
Achievement
Basics

Introduction to Programming

Achieved
Apr 4, 2014
Achievement
Launching the Website

Build a Simple Website

Achieved
Apr 4, 2014
Achievement
Creating the Menu and Footer

Build a Simple PHP Application

Achieved
Apr 3, 2014
Achievement
Getting Started with PHP

Build a Simple PHP Application

Achieved
Apr 3, 2014
Achievement
Ruby Blocks

Ruby Foundations

Achieved
Dec 19, 2013
Achievement
Ruby Loops

Ruby Foundations

Achieved
Dec 18, 2013
Achievement
Ruby Methods

Ruby Foundations

Achieved
Dec 17, 2013
Achievement
Ruby Hashes

Ruby Foundations

Achieved
Dec 17, 2013
Achievement
Ruby Arrays

Ruby Foundations

Achieved
Dec 16, 2013
Achievement
Ruby Numbers

Ruby Foundations

Achieved
Dec 16, 2013
Achievement
Ruby Strings

Ruby Foundations

Achieved
Dec 16, 2013
Achievement
Objects, Classes, and Variables

Ruby Foundations

Achieved
Dec 15, 2013
Achievement
Ruby Basics

Ruby Foundations

Achieved
Dec 15, 2013
Achievement
Responsive Design

Build a Responsive Website

Achieved
Dec 3, 2012
Achievement
Adaptive Design

Build a Responsive Website

Achieved
Dec 3, 2012
Achievement
Fluid Foundation

Build a Responsive Website

Achieved
Dec 2, 2012
Achievement
Introduction to Responsive Web Design

Build a Responsive Website

Achieved
Nov 30, 2012
Achievement
Styling Content

Build a Simple Website

Achieved
Nov 30, 2012
Achievement
Creating a Website Structure

Build a Simple Website

Achieved
Nov 30, 2012
Achievement
Text Editors and HTML

Build a Simple Website

Achieved
Nov 30, 2012
Achievement
Website Basics

Build a Simple Website

Achieved
Nov 30, 2012
Achievement
Newbie

Achieved
Nov 28, 2012