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Arnold Rosario

Seattle

I am an Information Systems student at the University of Washington trying to pursue a career in Web Development.

16,357

Total Points

•
4,320

JavaScript

4316 pts
Achievements

4 pts
Forum
•
3,262

CSS

3262 pts
Achievements

0 pts
Forum
•
1,603

HTML

1603 pts
Achievements

0 pts
Forum
•
1,391

Design

1391 pts
Achievements

0 pts
Forum
•
1,173

Development Tools

1173 pts
Achievements

0 pts
Forum
•
1,115

Java

1114 pts
Achievements

1 pts
Forum
•
937

PHP

937 pts
Achievements

0 pts
Forum
•
200

Digital Literacy

200 pts
Achievements

0 pts
Forum
•
114

Ruby

114 pts
Achievements

0 pts
Forum
•
86

Business

86 pts
Achievements

0 pts
Forum
•
54

Android

54 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.

205 Achievements

Achievement
First Steps in React

React Basics (retired)

Achieved
Oct 17, 2016
Achievement
Understanding Flexbox

CSS Flexbox Layout

Achieved
Oct 4, 2016
Achievement
Handling Routes in Node.js

Build a Simple Dynamic Site with Node.js

Achieved
Apr 27, 2016
Achievement
Creating a Simple Server in Node.js

Build a Simple Dynamic Site with Node.js

Achieved
Apr 13, 2016
Achievement
Understanding Flexbox and Multi-Column Layout

CSS - Beyond the Basics

Achieved
Feb 9, 2016
Achievement
Page Layout with the Float Property

CSS Layout Basics

Achieved
Feb 2, 2016
Achievement
Controlling Layout with CSS Display Modes

CSS Layout Basics

Achieved
Feb 2, 2016
Achievement
Adding Images and a Mockup

Adobe Illustrator for Web Design

Achieved
Feb 1, 2016
Achievement
Logo Design

Adobe Illustrator for Web Design

Achieved
Jan 28, 2016
Achievement
Creating a Wireframe

Adobe Illustrator for Web Design

Achieved
Jan 28, 2016
Achievement
Introducing Adobe Illustrator

Adobe Illustrator for Web Design

Achieved
Jan 22, 2016
Achievement
Efficiency!

Java Data Structures

Achieved
Jan 13, 2016
Achievement
Exploring the Java Collections Framework

Java Data Structures

Achieved
Jan 12, 2016
Achievement
Organizing Data

Java Data Structures

Achieved
Jan 11, 2016
Achievement
Getting There

Java Data Structures

Achieved
Jan 8, 2016
Achievement
Delivering the MVP

Java Objects (Retired)

Achieved
Jan 6, 2016
Achievement
Creating the MVP

Java Objects (Retired)

Achieved
Jan 6, 2016
Achievement
Harnessing the Power of Objects

Java Objects (Retired)

Achieved
Jan 6, 2016
Achievement
Meet Objects

Java Objects (Retired)

Achieved
Jan 5, 2016
Achievement
Perfecting the Prototype

Java Basics

Achieved
Jan 5, 2016
Achievement
Using your New Tools

Java Basics

Achieved
Jan 5, 2016
Achievement
Getting Started with Java

Java Basics

Achieved
Jan 5, 2016
Achievement
Services in Angular

AngularJS Basics (1.x)

Achieved
Dec 17, 2015
Achievement
Using Angular's Built-in Directives

AngularJS Basics (1.x)

Achieved
Dec 17, 2015
Achievement
Controllers and Scope

AngularJS Basics (1.x)

Achieved
Dec 9, 2015
Achievement
Getting Started with Angular

AngularJS Basics (1.x)

Achieved
Dec 9, 2015
Achievement
Getting Started with CSS Layout

CSS Layout Basics

Achieved
Dec 8, 2015
Achievement
Quiz Practice Project

Object-Oriented JavaScript (2015)

Achieved
Oct 13, 2015
Achievement
Prototypal Inheritance

Object-Oriented JavaScript (2015)

Achieved
Oct 9, 2015
Achievement
Constructor Functions & Prototypes

Object-Oriented JavaScript (2015)

Achieved
Oct 8, 2015
Achievement
Introduction to Methods

Object-Oriented JavaScript (2015)

Achieved
Sep 28, 2015
Achievement
Scrum Artifacts

Scrum Basics

Achieved
Jun 26, 2015
Achievement
Scrum Events

Scrum Basics

Achieved
Jun 26, 2015
Achievement
Introducing Scrum

Scrum Basics

Achieved
Jun 24, 2015
Achievement
What is Agile?

Scrum Basics

Achieved
Jun 23, 2015
Achievement
Selectors - Beyond the Basics

CSS Selectors

Achieved
May 27, 2015
Achievement
Basic Layout

CSS Basics (2014)

Achieved
May 22, 2015
Achievement
The Box Model

CSS Basics (2014)

Achieved
May 7, 2015
Achievement
Fundamental Concepts

CSS Basics (2014)

Achieved
May 7, 2015
Achievement
Understanding Values and Units

CSS Basics (2014)

Achieved
May 7, 2015
Achievement
Introducing jQuery Plugins

Using jQuery Plugins

Achieved
Apr 29, 2015
Achievement
Adding a Contact Form

Build a Simple PHP Application

Achieved
Apr 20, 2015
Achievement
PHP Inheritance & Interfaces

Object-Oriented PHP Basics (Retired)

Achieved
Apr 16, 2015
Achievement
PHP Properties & Methods

Object-Oriented PHP Basics (Retired)

Achieved
Apr 15, 2015
Achievement
PHP Objects and Classes

Object-Oriented PHP Basics (Retired)

Achieved
Apr 14, 2015
Achievement
PHP Internal Functions

PHP Functions

Achieved
Apr 14, 2015
Achievement
PHP Returns & Closures

PHP Functions

Achieved
Apr 14, 2015
Achievement
PHP Functions Basics

PHP Functions

Achieved
Apr 14, 2015
Achievement
PHP Loops

PHP Basics (Retired)

Achieved
Apr 14, 2015
Achievement
PHP Conditionals

PHP Basics (Retired)

Achieved
Apr 14, 2015
Achievement
PHP Datatypes

PHP Basics (Retired)

Achieved
Apr 14, 2015
Achievement
PHP Data & Structure

PHP Basics (Retired)

Achieved
Apr 13, 2015
Achievement
PHP Getting Started

PHP Basics (Retired)

Achieved
Apr 13, 2015
Achievement
Treehouse Club - CSS

Treehouse Club: CSS

Achieved
Apr 8, 2015
Achievement
JavaScript Objects

JavaScript Loops, Arrays and Objects

Achieved
Apr 8, 2015
Achievement
JavaScript Arrays

JavaScript Loops, Arrays and Objects

Achieved
Apr 8, 2015
Achievement
JavaScript Loops

JavaScript Loops, Arrays and Objects

Achieved
Apr 7, 2015
Achievement
JavaScript Functions

JavaScript Basics (Retired)

Achieved
Mar 30, 2015
Achievement
JavaScript Conditional Statements

JavaScript Basics (Retired)

Achieved
Mar 30, 2015
Achievement
JavaScript Numbers

JavaScript Basics (Retired)

Achieved
Mar 27, 2015
Achievement
JavaScript Variables

JavaScript Basics (Retired)

Achieved
Mar 26, 2015
Achievement
Responsive Patterns

Responsive Layouts

Achieved
Mar 25, 2015
Achievement
Media Queries

Responsive Layouts

Achieved
Mar 25, 2015
Achievement
Responsive Theory

Responsive Layouts

Achieved
Mar 25, 2015
Achievement
Collections

Swift Basics (retired)

Achieved
Mar 24, 2015
Achievement
Selections with D3

D3.js

Achieved
Mar 16, 2015
Achievement
Combine and Minify Assets

Introduction to Front End Performance Optimization

Achieved
Mar 3, 2015
Achievement
Optimize Assets

Introduction to Front End Performance Optimization

Achieved
Mar 3, 2015
Achievement
Creating an SVG

SVG Basics

Achieved
Mar 3, 2015
Achievement
Introduction to SVG

SVG Basics

Achieved
Mar 2, 2015
Achievement
Measuring Performance

Introduction to Front End Performance Optimization

Achieved
Feb 25, 2015
Achievement
Planning for Performance

Introduction to Front End Performance Optimization

Achieved
Feb 25, 2015
Achievement
Computer Languages

Computer Basics

Achieved
Feb 17, 2015
Achievement
Computer Basics

Computer Basics

Achieved
Feb 17, 2015
Achievement
Creating the Menu and Footer

Build a Simple PHP Application

Achieved
Jan 15, 2015
Achievement
Operators

Swift Basics (retired)

Achieved
Jan 8, 2015
Achievement
Types

Swift Basics (retired)

Achieved
Jan 8, 2015
Achievement
Building a Command Line Application

Node.js Basics (2014)

Achieved
Dec 17, 2014
Achievement
Introduction to Node.js

Node.js Basics (2014)

Achieved
Dec 17, 2014
Achievement
Basic Selectors

CSS Basics (2014)

Achieved
Dec 15, 2014
Achievement
Getting Started with CSS

CSS Basics (2014)

Achieved
Dec 11, 2014
Achievement
Models

Ember.js

Achieved
Dec 8, 2014
Achievement
AngularJS MVC Frameworks

AngularJS

Achieved
Dec 5, 2014
Achievement
Introducing JavaScript

JavaScript Basics (Retired)

Achieved
Dec 2, 2014
Achievement
Working With Remote Repositories

Git Basics

Achieved
Dec 1, 2014
Achievement
Exploring Ember

Ember.js

Achieved
Nov 26, 2014
Achievement
Controllers

Ember.js

Achieved
Nov 26, 2014
Achievement
Routes and Templates

Ember.js

Achieved
Nov 25, 2014
Achievement
Getting Started with Ember.js

Ember.js

Achieved
Nov 25, 2014
Achievement
Merging

Git Basics

Achieved
Nov 24, 2014
Achievement
Branches

Git Basics

Achieved
Nov 24, 2014
Achievement
Console Processes

Console Foundations

Achieved
Nov 24, 2014
Achievement
Console Users and Permission

Console Foundations

Achieved
Nov 24, 2014
Achievement
Getting Started With Git

Git Basics

Achieved
Nov 21, 2014
Achievement
Why Version Control Matters

Git Basics

Achieved
Nov 21, 2014
Achievement
MASH HTML

Treehouse Club - MASH

Achieved
Nov 18, 2014
Achievement
Moving Around in the Console

Console Foundations

Achieved
Nov 3, 2014
Achievement
Introduction to Typography

Web Typography

Achieved
Oct 23, 2014
Achievement
Variables and Constants

Swift Basics (retired)

Achieved
Oct 16, 2014
Achievement
AJAX and APIs

AJAX Basics (retiring)

Achieved
Sep 16, 2014
Achievement
jQuery and AJAX

AJAX Basics (retiring)

Achieved
Sep 12, 2014
Achievement
Programming AJAX

AJAX Basics (retiring)

Achieved
Sep 11, 2014
Achievement
AJAX Concepts

AJAX Basics (retiring)

Achieved
Sep 11, 2014
Achievement
Selecting Elements and Adding Events with JavaScript

Interactive Web Pages with JavaScript

Achieved
Sep 11, 2014
Achievement
Creating a Simple Drawing Application

jQuery Basics (2014)

Achieved
Sep 10, 2014
Achievement
Introduction

Accessibility

Achieved
Sep 9, 2014
Achievement
JavaScript and the DOM

Interactive Web Pages with JavaScript

Achieved
Sep 9, 2014
Achievement
Structuring Tables

HTML Tables

Achieved
Aug 27, 2014
Achievement
Table Basics

HTML Tables

Achieved
Aug 27, 2014
Achievement
Creating a Password Confirmation Form

jQuery Basics (2014)

Achieved
Aug 25, 2014
Achievement
Creating a Mobile Drop Down Menu

jQuery Basics (2014)

Achieved
Aug 25, 2014
Achievement
Choosing Options

HTML Forms

Achieved
Aug 22, 2014
Achievement
Organizing Forms

HTML Forms

Achieved
Aug 21, 2014
Achievement
Form Basics

HTML Forms

Achieved
Aug 21, 2014
Achievement
Chrome DevTools Basics

Website Optimization

Achieved
Aug 6, 2014
Achievement
Media Queries

Unused CSS Stages

Achieved
Jul 16, 2014
Achievement
Creating a Simple Lightbox

jQuery Basics (2014)

Achieved
Jul 16, 2014
Achievement
CSS Animations

Unused CSS Stages

Achieved
Jul 11, 2014
Achievement
Flexbox Layout

CSS Layout Techniques

Achieved
Jul 7, 2014
Achievement
Positioning Schemes

CSS Layout Techniques

Achieved
Jul 7, 2014
Achievement
Float Layout

CSS Layout Techniques

Achieved
Jul 6, 2014
Achievement
Objects, Classes, and Variables

Ruby Foundations

Achieved
Jun 17, 2014
Achievement
Ruby Basics

Ruby Foundations

Achieved
Jun 17, 2014
Achievement
Display Modes

CSS Layout Techniques

Achieved
Jun 16, 2014
Achievement
HTML Email Basics

HTML Email Design

Achieved
Jun 16, 2014
Achievement
Wireframing, Interaction Design and Planning

Mobile App Design for iOS

Achieved
May 22, 2014
Achievement
Getting Started with PHP

Build a Simple PHP Application

Achieved
May 20, 2014
Achievement
Creating an Icon

Illustrator Foundations

Achieved
May 18, 2014
Achievement
Careers in the Tech Industry

Careers Foundations

Achieved
Apr 21, 2014
Achievement
ADS Writing and Preparation

Mobile App Design for iOS

Achieved
Apr 21, 2014
Achievement
Introduction to UI Design

Mobile App Design for iOS

Achieved
Apr 21, 2014
Achievement
Creating a Spoiler Revealer

jQuery Basics (2014)

Achieved
Apr 21, 2014
Achievement
JavaScript Objects

JavaScript Foundations

Achieved
Apr 21, 2014
Achievement
Moving Forward with UX

UX Basics

Achieved
Apr 17, 2014
Achievement
Tools UXers Use

UX Basics

Achieved
Apr 17, 2014
Achievement
How UXers Think

UX Basics

Achieved
Apr 17, 2014
Achievement
What Do User Experience Designers Do?

UX Basics

Achieved
Apr 16, 2014
Achievement
What is User Experience (UX)?

UX Basics

Achieved
Apr 16, 2014
Achievement
Introduction to Illustrator

Illustrator Foundations

Achieved
Apr 14, 2014
Achievement
Improving Usability

Usability Foundations

Achieved
Apr 14, 2014
Achievement
Introduction to jQuery

jQuery Basics (2014)

Achieved
Apr 14, 2014
Achievement
JavaScript Functions

JavaScript Foundations

Achieved
Apr 13, 2014
Achievement
JavaScript Arrays

JavaScript Foundations

Achieved
Apr 13, 2014
Achievement
Mobile Usability

Usability Foundations

Achieved
Apr 11, 2014
Achievement
JavaScript Numbers

JavaScript Foundations

Achieved
Apr 10, 2014
Achievement
Introduction to SEO

SEO Basics

Achieved
Apr 10, 2014
Achievement
JavaScript Strings

JavaScript Foundations

Achieved
Apr 10, 2014
Achievement
Advanced Techniques

Build a Responsive Website

Achieved
Apr 6, 2014
Achievement
Responsive Design

Build a Responsive Website

Achieved
Apr 6, 2014
Achievement
Transitions and Transforms

Unused CSS Stages

Achieved
Apr 6, 2014
Achievement
Introduction Variables

JavaScript Foundations

Achieved
Apr 6, 2014
Achievement
Flexbox and Multi-Column Layout

Unused CSS Stages

Achieved
Apr 5, 2014
Achievement
Gradients

CSS Foundations

Achieved
Apr 5, 2014
Achievement
Build a Website With Bootstrap

Framework Basics

Achieved
Apr 3, 2014
Achievement
Functions

Introduction to Programming

Achieved
Apr 1, 2014
Achievement
Objects and Arrays

Introduction to Programming

Achieved
Apr 1, 2014
Achievement
Website Usability

Usability Foundations

Achieved
Apr 1, 2014
Achievement
Color Theory

Aesthetic Foundations

Achieved
Apr 1, 2014
Achievement
Adaptive Design

Build a Responsive Website

Achieved
Mar 31, 2014
Achievement
Fluid Foundation

Build a Responsive Website

Achieved
Mar 30, 2014
Achievement
Principles

Aesthetic Foundations

Achieved
Mar 30, 2014
Achievement
What is Usability?

Usability Foundations

Achieved
Mar 30, 2014
Achievement
Elements

Aesthetic Foundations

Achieved
Mar 30, 2014
Achievement
Prototyping With Bootstrap

Framework Basics

Achieved
Mar 29, 2014
Achievement
Control Structures

Introduction to Programming

Achieved
Mar 27, 2014
Achievement
Basics

Introduction to Programming

Achieved
Mar 26, 2014
Achievement
Web Typography

CSS Foundations

Achieved
Mar 26, 2014
Achievement
Debugging HTML and CSS Problems

How to Make a Website

Achieved
Mar 25, 2014
Achievement
Responsive Web Design and Testing

How to Make a Website

Achieved
Mar 25, 2014
Achievement
Sharing a Website

How to Make a Website

Achieved
Mar 25, 2014
Achievement
Adding Pages to a Website

How to Make a Website

Achieved
Mar 25, 2014
Achievement
Styling Web Pages and Navigation

How to Make a Website

Achieved
Mar 24, 2014
Achievement
Customizing Colors and Fonts

How to Make a Website

Achieved
Mar 23, 2014
Achievement
CSS: Cascading Style Sheets

How to Make a Website

Achieved
Mar 23, 2014
Achievement
Creating HTML Content

How to Make a Website

Achieved
Mar 23, 2014
Achievement
HTML First

How to Make a Website

Achieved
Mar 20, 2014
Achievement
Beginning HTML and CSS

How to Make a Website

Achieved
Mar 19, 2014
Achievement
Introduction to Front-End Frameworks

Framework Basics

Achieved
Mar 19, 2014
Achievement
Backgrounds and Borders

CSS Foundations

Achieved
Mar 19, 2014
Achievement
Introduction to Responsive Web Design

Build a Responsive Website

Achieved
Jan 10, 2014
Achievement
CSS Box Model

CSS Foundations

Achieved
Jan 6, 2014
Achievement
The Logo Sprint

Logo Design Basics

Achieved
Jan 5, 2014
Achievement
Logo Design 101

Logo Design Basics

Achieved
Jan 5, 2014
Achievement
Design Foundations Final

Design Foundations

Achieved
Jan 5, 2014
Achievement
Becoming a Problem Solver

Design Foundations

Achieved
Jan 5, 2014
Achievement
Understanding Aesthetics

Design Foundations

Achieved
Jan 5, 2014
Achievement
Introduction to Design

Design Foundations

Achieved
Jan 5, 2014
Achievement
Text, Fonts, and Lists

CSS Foundations

Achieved
Jan 4, 2014
Achievement
Values and Units

CSS Foundations

Achieved
Jan 4, 2014
Achievement
Advanced Selectors

CSS Foundations

Achieved
Jan 3, 2014
Achievement
Selectors

CSS Foundations

Achieved
Jan 3, 2014
Achievement
Getting Started with CSS

CSS Foundations

Achieved
Jan 1, 2014
Achievement
Forms

HTML

Achieved
Jan 1, 2014
Achievement
Tables

HTML

Achieved
Dec 31, 2013
Achievement
Objects

HTML

Achieved
Dec 31, 2013
Achievement
Links

HTML

Achieved
Dec 31, 2013
Achievement
Lists

HTML

Achieved
Dec 31, 2013
Achievement
Text

HTML

Achieved
Dec 31, 2013
Achievement
Introduction

HTML

Achieved
Dec 31, 2013
Achievement
Launching the Website

Build a Simple Website

Achieved
Dec 31, 2013
Achievement
Styling Content

Build a Simple Website

Achieved
Dec 31, 2013
Achievement
Creating a Website Structure

Build a Simple Website

Achieved
Dec 31, 2013
Achievement
Text Editors and HTML

Build a Simple Website

Achieved
Dec 30, 2013
Achievement
Website Basics

Build a Simple Website

Achieved
Dec 30, 2013
Achievement
Newbie

Achieved
Dec 30, 2013