🌟 Dreaming of a bright future? 🎓 Ask about the Treehouse Scholarship program! 🚀

🤖 Level up your chatbot knowledge with our latest AI course.

Join our free community Discord server here!

Learn React with us!

seunghoon lee

Toronto, ON

8,478

Total Points

•
2,135

JavaScript

2135 pts
Achievements

0 pts
Forum
•
1,134

PHP

1134 pts
Achievements

0 pts
Forum
•
806

Android

806 pts
Achievements

0 pts
Forum
•
734

HTML

734 pts
Achievements

0 pts
Forum
•
674

Development Tools

674 pts
Achievements

0 pts
Forum
•
343

CSS

343 pts
Achievements

0 pts
Forum
•
59

Python

59 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.

98 Achievements

Achievement
Introduction to Node.js

Node.js Basics (2014)

Achieved
Jul 2, 2015
Achievement
AJAX and APIs

AJAX Basics (retiring)

Achieved
Jun 27, 2015
Achievement
jQuery and AJAX

AJAX Basics (retiring)

Achieved
Jun 27, 2015
Achievement
Creating a Mobile Drop Down Menu

jQuery Basics (2014)

Achieved
Jun 26, 2015
Achievement
Creating a Simple Lightbox

jQuery Basics (2014)

Achieved
Jun 26, 2015
Achievement
Creating a Spoiler Revealer

jQuery Basics (2014)

Achieved
Jun 25, 2015
Achievement
Programming AJAX

AJAX Basics (retiring)

Achieved
Jun 25, 2015
Achievement
AJAX Concepts

AJAX Basics (retiring)

Achieved
Jun 25, 2015
Achievement
Introduction to jQuery

jQuery Basics (2014)

Achieved
Jun 8, 2015
Achievement
Why Version Control Matters

Git Basics

Achieved
Jun 5, 2015
Achievement
JavaScript Objects

JavaScript Loops, Arrays and Objects

Achieved
Jun 5, 2015
Achievement
JavaScript Arrays

JavaScript Loops, Arrays and Objects

Achieved
Jun 3, 2015
Achievement
JavaScript Loops

JavaScript Loops, Arrays and Objects

Achieved
May 29, 2015
Achievement
JavaScript Functions

JavaScript Basics (Retired)

Achieved
May 29, 2015
Achievement
JavaScript Conditional Statements

JavaScript Basics (Retired)

Achieved
May 29, 2015
Achievement
JavaScript Numbers

JavaScript Basics (Retired)

Achieved
May 28, 2015
Achievement
JavaScript Variables

JavaScript Basics (Retired)

Achieved
May 25, 2015
Achievement
Introducing JavaScript

JavaScript Basics (Retired)

Achieved
May 25, 2015
Achievement
Relating Users in Parse.com

Build a Self-Destructing Message Android App

Achieved
Sep 25, 2014
Achievement
Say Hello to Python

Python Basics (Retired)

Achieved
Sep 15, 2014
Achievement
Using Fragments for Tabs

Build a Self-Destructing Message Android App

Achieved
Jul 18, 2014
Achievement
Adding Users Using Parse.com

Build a Self-Destructing Message Android App

Achieved
Jul 12, 2014
Achievement
Starting the App

Build a Self-Destructing Message Android App

Achieved
Jul 11, 2014
Achievement
Capturing Photo and Video Using UIImagePickerController

Build a Self-Destructing Message iPhone App

Achieved
Jul 11, 2014
Achievement
Relating Users in Parse.com

Build a Self-Destructing Message iPhone App

Achieved
Jul 4, 2014
Achievement
Sharing Your Creation

Build a Simple Android App (retired 2014)

Achieved
Jun 21, 2014
Achievement
Using Parse.com as a Backend and Adding Users

Build a Self-Destructing Message iPhone App

Achieved
Jun 18, 2014
Achievement
Interrogating the App

Build a Simple Android App (retired 2014)

Achieved
Jun 17, 2014
Achievement
Designing and Starting the App

Build a Self-Destructing Message iPhone App

Achieved
Jun 16, 2014
Achievement
Shaking Things Up

Build a Simple Android App (retired 2014)

Achieved
Jun 15, 2014
Achievement
Pretty Little Things

Build a Simple Android App (retired 2014)

Achieved
Jun 15, 2014
Achievement
Viewing a Web Page

Build a Blog Reader iPhone App

Achieved
Jun 15, 2014
Achievement
Adapting Data for Display

Build a Blog Reader iPhone App

Achieved
Jun 13, 2014
Achievement
Data Modeling

Build a Blog Reader iPhone App

Achieved
Jun 11, 2014
Achievement
Getting Data from the Web

Build a Blog Reader iPhone App

Achieved
Jun 6, 2014
Achievement
Rebuilding from Scratch

Build a Blog Reader iPhone App

Achieved
Jun 6, 2014
Achievement
Learning the Language

Build a Simple Android App (retired 2014)

Achieved
Jun 5, 2014
Achievement
Exploring the Master-Detail Template

Build a Blog Reader iPhone App

Achieved
May 30, 2014
Achievement
Getting Started with Android

Build a Simple Android App (retired 2014)

Achieved
May 30, 2014
Achievement
Testing and Debugging

Build a Simple iPhone App (iOS7)

Achieved
May 28, 2014
Achievement
Animate This (iOS7)

Build a Simple iPhone App (iOS7)

Achieved
May 27, 2014
Achievement
Designing your App

Build a Simple iPhone App (iOS7)

Achieved
May 27, 2014
Achievement
Refactoring into a Model

Build a Simple iPhone App (iOS7)

Achieved
May 26, 2014
Achievement
Creating a Data Collection

Build a Simple iPhone App (iOS7)

Achieved
May 25, 2014
Achievement
Understanding Views and View Controllers

Build a Simple iPhone App (iOS7)

Achieved
May 25, 2014
Achievement
Getting Started (iOS7)

Build a Simple iPhone App (iOS7)

Achieved
May 24, 2014
Achievement
Beyond the Basics

Objective-C Basics (Retired)

Achieved
May 24, 2014
Achievement
Advanced Objective-C

Objective-C Basics (Retired)

Achieved
May 23, 2014
Achievement
Foundation Framework

Objective-C Basics (Retired)

Achieved
May 23, 2014
Achievement
Introduction to Objective-C

Objective-C Basics (Retired)

Achieved
May 20, 2014
Achievement
Pointers and Memory

Objective-C Basics (Retired)

Achieved
May 19, 2014
Achievement
Functional Programming in C

Objective-C Basics (Retired)

Achieved
May 18, 2014
Achievement
Fundamentals of C

Objective-C Basics (Retired)

Achieved
May 18, 2014
Achievement
Securing and Maintaining a MySQL Database

Database Foundations

Achieved
May 16, 2014
Achievement
SQL Calculating, Aggregating and Other Functions

Database Foundations

Achieved
May 15, 2014
Achievement
Joining Relational Data Between Tables in SQL

Database Foundations

Achieved
May 15, 2014
Achievement
Manipulating Schema with SQL

Database Foundations

Achieved
May 14, 2014
Achievement
Creating Tables and Manipulating Data with SQL

Database Foundations

Achieved
May 14, 2014
Achievement
Reading Data from Databases with SQL

Database Foundations

Achieved
May 14, 2014
Achievement
Installing MySQL Server and MySQL Workbench

Database Foundations

Achieved
May 14, 2014
Achievement
Introduction to Data, Databases and SQL

Database Foundations

Achieved
May 13, 2014
Achievement
Paginating a List: Model and View

Enhancing a Simple PHP Application

Achieved
May 13, 2014
Achievement
Paginating a List: Controller

Enhancing a Simple PHP Application

Achieved
May 13, 2014
Achievement
Adding Search: Model

Enhancing a Simple PHP Application

Achieved
May 12, 2014
Achievement
Adding Search: Controller & View

Enhancing a Simple PHP Application

Achieved
May 12, 2014
Achievement
Refactoring the Codebase

Enhancing a Simple PHP Application

Achieved
May 12, 2014
Achievement
Cleaning URLs with Rewrite Rules

Enhancing a Simple PHP Application

Achieved
May 11, 2014
Achievement
Cleaning URLs with Subfolders

Enhancing a Simple PHP Application

Achieved
May 9, 2014
Achievement
Integrating Validation Errors

Enhancing a Simple PHP Application

Achieved
May 9, 2014
Achievement
Simple PHP Application: Wrapping Up The Project

Build a Simple PHP Application

Achieved
May 6, 2014
Achievement
Working with PHP Functions

Build a Simple PHP Application

Achieved
May 6, 2014
Achievement
Integrating With Paypal

Build a Simple PHP Application

Achieved
May 5, 2014
Achievement
Listing Inventory Items

Build a Simple PHP Application

Achieved
May 1, 2014
Achievement
Adding a Contact Form

Build a Simple PHP Application

Achieved
Apr 29, 2014
Achievement
Creating the Menu and Footer

Build a Simple PHP Application

Achieved
Apr 28, 2014
Achievement
Getting Started with PHP

Build a Simple PHP Application

Achieved
Apr 27, 2014
Achievement
Forms

HTML

Achieved
Apr 26, 2014
Achievement
Tables

HTML

Achieved
Apr 26, 2014
Achievement
Objects

HTML

Achieved
Apr 26, 2014
Achievement
Links

HTML

Achieved
Apr 25, 2014
Achievement
Lists

HTML

Achieved
Apr 25, 2014
Achievement
Text

HTML

Achieved
Apr 24, 2014
Achievement
Introduction

HTML

Achieved
Apr 24, 2014
Achievement
Debugging HTML and CSS Problems

How to Make a Website

Achieved
Apr 24, 2014
Achievement
Sharing a Website

How to Make a Website

Achieved
Apr 23, 2014
Achievement
Responsive Web Design and Testing

How to Make a Website

Achieved
Apr 23, 2014
Achievement
Functions

Introduction to Programming

Achieved
Apr 23, 2014
Achievement
Objects and Arrays

Introduction to Programming

Achieved
Apr 23, 2014
Achievement
Control Structures

Introduction to Programming

Achieved
Apr 23, 2014
Achievement
Basics

Introduction to Programming

Achieved
Apr 22, 2014
Achievement
Adding Pages to a Website

How to Make a Website

Achieved
Apr 22, 2014
Achievement
Styling Web Pages and Navigation

How to Make a Website

Achieved
Apr 21, 2014
Achievement
Customizing Colors and Fonts

How to Make a Website

Achieved
Apr 20, 2014
Achievement
CSS: Cascading Style Sheets

How to Make a Website

Achieved
Apr 20, 2014
Achievement
Creating HTML Content

How to Make a Website

Achieved
Apr 19, 2014
Achievement
HTML First

How to Make a Website

Achieved
Apr 19, 2014
Achievement
Beginning HTML and CSS

How to Make a Website

Achieved
Apr 19, 2014
Achievement
Newbie

Achieved
Apr 17, 2014