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Wei Han Liu

Member Since February 14, 2017

Open to Work

11,231

Total Points

•
3,476

JavaScript

3476 pts
Achievements

0 pts
Forum
•
1,997

Java

1997 pts
Achievements

0 pts
Forum
•
1,210

Databases

1210 pts
Achievements

0 pts
Forum
•
1,011

Python

1011 pts
Achievements

0 pts
Forum
•
958

CSS

958 pts
Achievements

0 pts
Forum
•
757

HTML

757 pts
Achievements

0 pts
Forum
•
462

Digital Literacy

462 pts
Achievements

0 pts
Forum
•
296

Design

296 pts
Achievements

0 pts
Forum
•
161

Development Tools

161 pts
Achievements

0 pts
Forum
•
149

Android

149 pts
Achievements

0 pts
Forum
•
116

PHP

116 pts
Achievements

0 pts
Forum
•
1

APIs

1 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

Spoken Languages
- English
- Mandarin
- Malay

115 Achievements

Achievement
Introduction to Node.js

Node.js Basics 2017

Achieved
Jun 20, 2017
Achievement
Quiz Practice Project

Object-Oriented JavaScript (2015)

Achieved
Jun 11, 2017
Achievement
Prototypal Inheritance

Object-Oriented JavaScript (2015)

Achieved
Jun 11, 2017
Achievement
Constructor Functions & Prototypes

Object-Oriented JavaScript (2015)

Achieved
Jun 11, 2017
Achievement
Introduction to Methods

Object-Oriented JavaScript (2015)

Achieved
Jun 11, 2017
Achievement
AJAX and APIs

AJAX Basics (retiring)

Achieved
Jun 10, 2017
Achievement
jQuery and AJAX

AJAX Basics (retiring)

Achieved
Jun 9, 2017
Achievement
Programming AJAX

AJAX Basics (retiring)

Achieved
Jun 8, 2017
Achievement
AJAX Concepts

AJAX Basics (retiring)

Achieved
Jun 7, 2017
Achievement
Python Sets

Python Collections (2016, retired 2019)

Achieved
Jun 6, 2017
Achievement
Design Foundations Final

Design Foundations

Achieved
Jun 5, 2017
Achievement
Becoming a Problem Solver

Design Foundations

Achieved
Jun 5, 2017
Achievement
Writing Your Own Java Annotation

Java Annotations

Achieved
Jun 5, 2017
Achievement
Understanding Aesthetics

Design Foundations

Achieved
Jun 1, 2017
Achievement
Introduction to Design

Design Foundations

Achieved
Jun 1, 2017
Achievement
Creating the Screen Layout

Build a Simple Android App

Achieved
May 29, 2017
Achievement
Subqueries

Querying Relational Databases

Achieved
May 25, 2017
Achievement
Set Operations

Querying Relational Databases

Achieved
May 25, 2017
Achievement
Joining Table Data with SQL

Querying Relational Databases

Achieved
May 25, 2017
Achievement
Table Relationships

Querying Relational Databases

Achieved
May 25, 2017
Achievement
Database Keys

Querying Relational Databases

Achieved
May 25, 2017
Achievement
Database Normalization

Querying Relational Databases

Achieved
May 24, 2017
Achievement
Date and Time Functions

Reporting with SQL

Achieved
May 23, 2017
Achievement
Aggregate and Numeric Functions

Reporting with SQL

Achieved
May 23, 2017
Achievement
Working with Text

Reporting with SQL

Achieved
May 22, 2017
Achievement
Ordering, Limiting and Paging Results

Reporting with SQL

Achieved
May 21, 2017
Achievement
Getting Started with Android

Build a Simple Android App

Achieved
May 21, 2017
Achievement
Handling Errors When Manipulating Data

Modifying Data with SQL

Achieved
Apr 28, 2017
Achievement
Deleting Data from a Database

Modifying Data with SQL

Achieved
Apr 28, 2017
Achievement
Updating Data in a Database

Modifying Data with SQL

Achieved
Apr 28, 2017
Achievement
Adding Data to a Database

Modifying Data with SQL

Achieved
Apr 28, 2017
Achievement
Finding the Data You Want

SQL Basics

Achieved
Apr 27, 2017
Achievement
Getting Data from a Database

SQL Basics

Achieved
Apr 27, 2017
Achievement
Data, Databases and SQL

SQL Basics

Achieved
Apr 27, 2017
Achievement
Using Java's Built-In Annotations

Java Annotations

Achieved
Apr 26, 2017
Achievement
Improving the Application Code

DOM Scripting By Example

Achieved
Apr 25, 2017
Achievement
Editing and Filtering Names

DOM Scripting By Example

Achieved
Apr 25, 2017
Achievement
Getting the REST You Need

REST API Basics

Achieved
Apr 25, 2017
Achievement
Python Tuples

Python Collections (2016, retired 2019)

Achieved
Apr 25, 2017
Achievement
Python Slices

Python Collections (2016, retired 2019)

Achieved
Apr 22, 2017
Achievement
Python Lists

Python Collections (2016, retired 2019)

Achieved
Apr 22, 2017
Achievement
Letter Game App

Python Basics (2015)

Achieved
Apr 20, 2017
Achievement
Number Game App

Python Basics (2015)

Achieved
Apr 20, 2017
Achievement
Shopping List App

Python Basics (2015)

Achieved
Apr 19, 2017
Achievement
Logic in Python

Python Basics (2015)

Achieved
Apr 18, 2017
Achievement
Python Data Types

Python Basics (2015)

Achieved
Apr 18, 2017
Achievement
Python For Beginners

Python Basics (2015)

Achieved
Apr 17, 2017
Achievement
Event Planning

Build a JavaFX Application

Achieved
Apr 17, 2017
Achievement
Build a Pomodoro App

Build a JavaFX Application

Achieved
Apr 17, 2017
Achievement
Design a Better App

Build a JavaFX Application

Achieved
Apr 17, 2017
Achievement
Graphical User Interfaces

Build a JavaFX Application

Achieved
Apr 15, 2017
Achievement
Advanced Tooling

Local Development Environments

Achieved
Apr 14, 2017
Achievement
IDE Exploration

Local Development Environments

Achieved
Apr 13, 2017
Achievement
How it Works

Local Development Environments

Achieved
Apr 13, 2017
Achievement
Efficiency!

Java Data Structures

Achieved
Apr 12, 2017
Achievement
Exploring the Java Collections Framework

Java Data Structures

Achieved
Apr 8, 2017
Achievement
Organizing Data

Java Data Structures

Achieved
Apr 6, 2017
Achievement
Getting There

Java Data Structures

Achieved
Apr 4, 2017
Achievement
Adding and Removing Names

DOM Scripting By Example

Achieved
Mar 27, 2017
Achievement
Delivering the MVP

Java Objects

Achieved
Mar 27, 2017
Achievement
Creating the MVP

Java Objects

Achieved
Mar 24, 2017
Achievement
Harnessing the Power of Objects

Java Objects

Achieved
Mar 23, 2017
Achievement
Meet Objects

Java Objects

Achieved
Mar 22, 2017
Achievement
Perfecting the Prototype

Java Basics

Achieved
Mar 20, 2017
Achievement
Using your New Tools

Java Basics

Achieved
Mar 20, 2017
Achievement
Getting Started with Java

Java Basics

Achieved
Mar 20, 2017
Achievement
Unit Converter

PHP Basics

Achieved
Mar 17, 2017
Achievement
Getting to Know PHP

PHP Basics

Achieved
Mar 17, 2017
Achievement
Fundamental Concepts

CSS Basics (2014)

Achieved
Mar 15, 2017
Achievement
Designing with the Latest Features

CSS Basics (2014)

Achieved
Mar 15, 2017
Achievement
Basic Layout

CSS Basics (2014)

Achieved
Mar 14, 2017
Achievement
The Box Model

CSS Basics (2014)

Achieved
Mar 14, 2017
Achievement
Understanding Values and Units

CSS Basics (2014)

Achieved
Mar 14, 2017
Achievement
Basic Selectors

CSS Basics (2014)

Achieved
Mar 13, 2017
Achievement
Getting Started with CSS

CSS Basics (2014)

Achieved
Mar 13, 2017
Achievement
Creating a Simple Drawing Application

jQuery Basics (2014)

Achieved
Mar 13, 2017
Achievement
Creating a Password Confirmation Form

jQuery Basics (2014)

Achieved
Mar 10, 2017
Achievement
Creating a Mobile Drop Down Menu

jQuery Basics (2014)

Achieved
Mar 9, 2017
Achievement
Creating a Simple Lightbox

jQuery Basics (2014)

Achieved
Mar 9, 2017
Achievement
Creating a Spoiler Revealer

jQuery Basics (2014)

Achieved
Mar 8, 2017
Achievement
Introduction to jQuery

jQuery Basics (2014)

Achieved
Mar 8, 2017
Achievement
Traversing the DOM

JavaScript and the DOM (Retiring)

Achieved
Feb 27, 2017
Achievement
Responding to User Interaction

Interacting with the DOM

Achieved
Feb 26, 2017
Achievement
Making Changes to the DOM

JavaScript and the DOM (Retiring)

Achieved
Feb 25, 2017
Achievement
Getting a Handle on the DOM

JavaScript and the DOM (Retiring)

Achieved
Feb 23, 2017
Achievement
The Browser Environment

JavaScript and the DOM (Retiring)

Achieved
Feb 22, 2017
Achievement
JavaScript Objects

JavaScript Loops, Arrays and Objects

Achieved
Feb 22, 2017
Achievement
JavaScript Arrays

JavaScript Loops, Arrays and Objects

Achieved
Feb 20, 2017
Achievement
JavaScript Loops

JavaScript Loops, Arrays and Objects

Achieved
Feb 20, 2017
Achievement
Debugging HTML and CSS Problems

How to Make a Website

Achieved
Feb 18, 2017
Achievement
Sharing a Website

How to Make a Website

Achieved
Feb 18, 2017
Achievement
Responsive Web Design and Testing

How to Make a Website

Achieved
Feb 18, 2017
Achievement
Styling Web Pages and Navigation

How to Make a Website

Achieved
Feb 18, 2017
Achievement
Adding Pages to a Website

How to Make a Website

Achieved
Feb 18, 2017
Achievement
Customizing Colors and Fonts

How to Make a Website

Achieved
Feb 17, 2017
Achievement
CSS: Cascading Style Sheets

How to Make a Website

Achieved
Feb 17, 2017
Achievement
Creating HTML Content

How to Make a Website

Achieved
Feb 17, 2017
Achievement
HTML First

How to Make a Website

Achieved
Feb 17, 2017
Achievement
Beginning HTML and CSS

How to Make a Website

Achieved
Feb 17, 2017
Achievement
MASH JavaScript

Treehouse Club - MASH

Achieved
Feb 17, 2017
Achievement
JavaScript Functions

JavaScript Basics (Retired)

Achieved
Feb 17, 2017
Achievement
JavaScript Conditional Statements

JavaScript Basics (Retired)

Achieved
Feb 16, 2017
Achievement
JavaScript Numbers

JavaScript Basics (Retired)

Achieved
Feb 16, 2017
Achievement
JavaScript Variables

JavaScript Basics (Retired)

Achieved
Feb 15, 2017
Achievement
Introducing JavaScript

JavaScript Basics (Retired)

Achieved
Feb 15, 2017
Achievement
MASH CSS

Treehouse Club - MASH

Achieved
Feb 15, 2017
Achievement
MASH HTML

Treehouse Club - MASH

Achieved
Feb 15, 2017
Achievement
Treehouse Club - JavaScript

Treehouse Club: JavaScript

Achieved
Feb 15, 2017
Achievement
Treehouse Club - CSS

Treehouse Club: CSS

Achieved
Feb 15, 2017
Achievement
Welcome to the Treehouse Club

Treehouse Club: HTML

Achieved
Feb 14, 2017
Achievement
WWW

How the Web Works

Achieved
Feb 14, 2017
Achievement
The Internet

How the Internet Works

Achieved
Feb 14, 2017
Achievement
Computer Languages

Computer Basics

Achieved
Feb 14, 2017
Achievement
Computer Basics

Computer Basics

Achieved
Feb 14, 2017
Achievement
Newbie

Achieved
Feb 14, 2017