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Dennis de Vries

Amsterdam, Netherlands

Open to Work

Journalist and infographicmaker taking the challenge to learn coding. Status so far: this is awesome!

9,440

Total Points

•
2,652

JavaScript

2632 pts
Achievements

20 pts
Forum
•
1,848

CSS

1844 pts
Achievements

4 pts
Forum
•
1,555

HTML

1555 pts
Achievements

0 pts
Forum
•
1,164

Development Tools

1164 pts
Achievements

0 pts
Forum
•
602

PHP

602 pts
Achievements

0 pts
Forum
•
396

Design

396 pts
Achievements

0 pts
Forum
•
132

Digital Literacy

132 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

Company

Spijkermat Infographics V.O.F.
Job Title

Online journalist, graphic designer
Spoken Languages
- Dutch, English, German

121 Achievements

Achievement
Building Out WordPress Navigation

WordPress Theme Development

Achieved
Apr 19, 2017
Achievement
Building Page Templates in WordPress

WordPress Theme Development

Achieved
Apr 19, 2017
Achievement
The WordPress Loop

WordPress Theme Development

Achieved
Apr 13, 2017
Achievement
WordPress Header and Footer Templates

WordPress Theme Development

Achieved
Apr 13, 2017
Achievement
Working with CSS and JS in WordPress Themes

WordPress Theme Development

Achieved
Apr 13, 2017
Achievement
Starting a WordPress Theme

WordPress Theme Development

Achieved
Apr 11, 2017
Achievement
More Advanced PHP for WordPress

PHP for WordPress

Achieved
Apr 11, 2017
Achievement
PHP Basics for WordPress

PHP for WordPress

Achieved
Apr 11, 2017
Achievement
Introduction to PHP for WordPress

PHP for WordPress

Achieved
Apr 10, 2017
Achievement
WordPress Plugin Best Practices

Build a Website with WordPress

Achieved
Apr 10, 2017
Achievement
WordPress Widgets

Build a Website with WordPress

Achieved
Apr 10, 2017
Achievement
Custom Post Types in WordPress

Build a Website with WordPress

Achieved
Apr 8, 2017
Achievement
Customizing WordPress Themes

Build a Website with WordPress

Achieved
Apr 8, 2017
Achievement
WordPress Themes

Build a Website with WordPress

Achieved
Apr 7, 2017
Achievement
Local WordPress Development

Local WordPress Development

Achieved
Apr 7, 2017
Achievement
Understanding Flexbox

CSS Flexbox Layout

Achieved
May 19, 2016
Achievement
Positioning Page Content

CSS Layout Basics

Achieved
Apr 5, 2016
Achievement
CSS Layout Project

CSS Layout Basics

Achieved
Apr 5, 2016
Achievement
Page Layout with the Float Property

CSS Layout Basics

Achieved
Dec 20, 2015
Achievement
Controlling Layout with CSS Display Modes

CSS Layout Basics

Achieved
Dec 19, 2015
Achievement
Getting Started with CSS Layout

CSS Layout Basics

Achieved
Dec 14, 2015
Achievement
Layer Basics

Photoshop Foundations

Achieved
Dec 8, 2015
Achievement
Workspace Basics

Photoshop Foundations

Achieved
Dec 8, 2015
Achievement
Design Foundations Final

Design Foundations

Achieved
Dec 8, 2015
Achievement
Becoming a Problem Solver

Design Foundations

Achieved
Dec 8, 2015
Achievement
Understanding Aesthetics

Design Foundations

Achieved
Dec 3, 2015
Achievement
Introduction to Design

Design Foundations

Achieved
Dec 2, 2015
Achievement
Grid Layout

CSS Layout Techniques

Achieved
Dec 2, 2015
Achievement
Flexbox Layout

CSS Layout Techniques

Achieved
Nov 24, 2015
Achievement
Positioning Schemes

CSS Layout Techniques

Achieved
Nov 24, 2015
Achievement
Float Layout

CSS Layout Techniques

Achieved
Nov 24, 2015
Achievement
Display Modes

CSS Layout Techniques

Achieved
Nov 24, 2015
Achievement
Advanced Selectors

CSS Selectors

Achieved
Nov 23, 2015
Achievement
Going Further with Attribute Selectors and Pseudo-Classes

CSS Selectors

Achieved
Nov 23, 2015
Achievement
Selectors - Beyond the Basics

CSS Selectors

Achieved
Nov 23, 2015
Achievement
PHP Properties & Methods

Object-Oriented PHP Basics (Retired)

Achieved
Sep 29, 2015
Achievement
PHP Objects and Classes

Object-Oriented PHP Basics (Retired)

Achieved
Sep 29, 2015
Achievement
PHP Internal Functions

PHP Functions

Achieved
Sep 28, 2015
Achievement
PHP Returns & Closures

PHP Functions

Achieved
Sep 24, 2015
Achievement
PHP Functions Basics

PHP Functions

Achieved
Sep 24, 2015
Achievement
PHP Loops

PHP Basics (Retired)

Achieved
Sep 23, 2015
Achievement
PHP Conditionals

PHP Basics (Retired)

Achieved
Sep 23, 2015
Achievement
PHP Datatypes

PHP Basics (Retired)

Achieved
Sep 23, 2015
Achievement
PHP Data & Structure

PHP Basics (Retired)

Achieved
Sep 23, 2015
Achievement
PHP Getting Started

PHP Basics (Retired)

Achieved
Sep 23, 2015
Achievement
Creating an SVG

SVG Basics

Achieved
Sep 22, 2015
Achievement
Introduction to SVG

SVG Basics

Achieved
Sep 22, 2015
Achievement
Combine and Minify Assets

Introduction to Front End Performance Optimization

Achieved
Aug 18, 2015
Achievement
Optimize Assets

Introduction to Front End Performance Optimization

Achieved
Aug 18, 2015
Achievement
Measuring Performance

Introduction to Front End Performance Optimization

Achieved
Aug 18, 2015
Achievement
Planning for Performance

Introduction to Front End Performance Optimization

Achieved
Aug 18, 2015
Achievement
Workflows

Git Basics

Achieved
Aug 17, 2015
Achievement
Working With Remote Repositories

Git Basics

Achieved
Aug 17, 2015
Achievement
Merging

Git Basics

Achieved
Aug 17, 2015
Achievement
Branches

Git Basics

Achieved
Aug 17, 2015
Achievement
Getting Started With Git

Git Basics

Achieved
Aug 17, 2015
Achievement
Why Version Control Matters

Git Basics

Achieved
Aug 17, 2015
Achievement
Installing Programs

Console Foundations

Achieved
Aug 16, 2015
Achievement
Environment and Redirection

Console Foundations

Achieved
Aug 16, 2015
Achievement
Console Processes

Console Foundations

Achieved
Aug 15, 2015
Achievement
Console Users and Permission

Console Foundations

Achieved
Aug 15, 2015
Achievement
Moving Around in the Console

Console Foundations

Achieved
Aug 14, 2015
Achievement
Chrome DevTools Basics

Website Optimization

Achieved
Aug 13, 2015
Achievement
Web Apps

Accessibility

Achieved
Aug 12, 2015
Achievement
Websites

Accessibility

Achieved
Aug 12, 2015
Achievement
Introduction

Accessibility

Achieved
Aug 11, 2015
Achievement
Quiz Practice Project

Object-Oriented JavaScript (2015)

Achieved
Aug 11, 2015
Achievement
Prototypal Inheritance

Object-Oriented JavaScript (2015)

Achieved
Aug 10, 2015
Achievement
Constructor Functions & Prototypes

Object-Oriented JavaScript (2015)

Achieved
Aug 9, 2015
Achievement
Introduction to Methods

Object-Oriented JavaScript (2015)

Achieved
Aug 9, 2015
Achievement
AJAX and APIs

AJAX Basics (retiring)

Achieved
Aug 7, 2015
Achievement
jQuery and AJAX

AJAX Basics (retiring)

Achieved
Aug 6, 2015
Achievement
Programming AJAX

AJAX Basics (retiring)

Achieved
Aug 5, 2015
Achievement
AJAX Concepts

AJAX Basics (retiring)

Achieved
Aug 5, 2015
Achievement
Responsive Patterns

Responsive Layouts

Achieved
Aug 4, 2015
Achievement
Media Queries

Responsive Layouts

Achieved
Aug 4, 2015
Achievement
Responsive Theory

Responsive Layouts

Achieved
Aug 4, 2015
Achievement
Custom Media Players

HTML Video and Audio (Retired)

Achieved
Aug 3, 2015
Achievement
Captioning Video

HTML Video and Audio (Retired)

Achieved
Aug 3, 2015
Achievement
Media Basics

HTML Video and Audio (Retired)

Achieved
Aug 3, 2015
Achievement
The Internet

How the Internet Works

Achieved
Aug 2, 2015
Achievement
Traversing and Manipulating the DOM with JavaScript

Interactive Web Pages with JavaScript

Achieved
Aug 2, 2015
Achievement
Selecting Elements and Adding Events with JavaScript

Interactive Web Pages with JavaScript

Achieved
Aug 1, 2015
Achievement
JavaScript and the DOM

Interactive Web Pages with JavaScript

Achieved
Aug 1, 2015
Achievement
Structuring Tables

HTML Tables

Achieved
Jul 31, 2015
Achievement
Table Basics

HTML Tables

Achieved
Jul 31, 2015
Achievement
Creating a Simple Drawing Application

jQuery Basics (2014)

Achieved
Jul 31, 2015
Achievement
Creating a Password Confirmation Form

jQuery Basics (2014)

Achieved
Jul 30, 2015
Achievement
Creating a Mobile Drop Down Menu

jQuery Basics (2014)

Achieved
Jul 29, 2015
Achievement
Creating a Simple Lightbox

jQuery Basics (2014)

Achieved
Jul 29, 2015
Achievement
Creating a Spoiler Revealer

jQuery Basics (2014)

Achieved
Jul 28, 2015
Achievement
Introduction to jQuery

jQuery Basics (2014)

Achieved
Jul 28, 2015
Achievement
JavaScript Objects

JavaScript Loops, Arrays and Objects

Achieved
Jul 28, 2015
Achievement
JavaScript Arrays

JavaScript Loops, Arrays and Objects

Achieved
Jul 25, 2015
Achievement
JavaScript Loops

JavaScript Loops, Arrays and Objects

Achieved
Jul 20, 2015
Achievement
Choosing Options

HTML Forms

Achieved
Jul 19, 2015
Achievement
Organizing Forms

HTML Forms

Achieved
Jul 19, 2015
Achievement
Form Basics

HTML Forms

Achieved
Jul 19, 2015
Achievement
JavaScript Functions

JavaScript Basics (Retired)

Achieved
Jul 18, 2015
Achievement
JavaScript Conditional Statements

JavaScript Basics (Retired)

Achieved
Jul 17, 2015
Achievement
JavaScript Numbers

JavaScript Basics (Retired)

Achieved
Jul 17, 2015
Achievement
JavaScript Variables

JavaScript Basics (Retired)

Achieved
Jul 15, 2015
Achievement
Introducing JavaScript

JavaScript Basics (Retired)

Achieved
Jul 15, 2015
Achievement
Fundamental Concepts

CSS Basics (2014)

Achieved
Jul 14, 2015
Achievement
Designing with the Latest Features

CSS Basics (2014)

Achieved
Jul 12, 2015
Achievement
Basic Layout

CSS Basics (2014)

Achieved
Jul 12, 2015
Achievement
The Box Model

CSS Basics (2014)

Achieved
Jul 11, 2015
Achievement
Understanding Values and Units

CSS Basics (2014)

Achieved
Jul 11, 2015
Achievement
Basic Selectors

CSS Basics (2014)

Achieved
Jul 11, 2015
Achievement
Getting Started with CSS

CSS Basics (2014)

Achieved
Jul 10, 2015
Achievement
Debugging HTML and CSS Problems

How to Make a Website

Achieved
Jul 10, 2015
Achievement
Sharing a Website

How to Make a Website

Achieved
Jul 9, 2015
Achievement
Responsive Web Design and Testing

How to Make a Website

Achieved
Jul 9, 2015
Achievement
Adding Pages to a Website

How to Make a Website

Achieved
Jul 8, 2015
Achievement
Styling Web Pages and Navigation

How to Make a Website

Achieved
Jul 8, 2015
Achievement
Customizing Colors and Fonts

How to Make a Website

Achieved
Jul 7, 2015
Achievement
CSS: Cascading Style Sheets

How to Make a Website

Achieved
Jul 7, 2015
Achievement
Creating HTML Content

How to Make a Website

Achieved
Jul 6, 2015
Achievement
HTML First

How to Make a Website

Achieved
Jul 6, 2015
Achievement
Beginning HTML and CSS

How to Make a Website

Achieved
Jul 6, 2015
Achievement
Newbie

Achieved
Jul 5, 2015