Sean Yu

Sean Yu

Member Since March 24, 2020

4,401

Total Points

Points are earned whenever you take an important action on Treehouse.
Learn more about when and how points are earned.

54 Achievements

  • Achievement

    Add Reusable Logic to Your Sass

    Sass Basics

    Achieved

    Apr 29, 2020

    Add Reusable Logic to Your Sass
  • Achievement

    Write Smart and Efficient CSS with Sass

    Sass Basics

    Achieved

    Apr 28, 2020

    Write Smart and Efficient CSS with Sass
  • Achievement

    Building a Layout with Flexbox

    CSS Flexbox Layout

    Achieved

    Apr 28, 2020

    Building a Layout with Flexbox
  • Achievement

    Flexbox Properties

    CSS Flexbox Layout

    Achieved

    Apr 27, 2020

    Flexbox Properties
  • Achievement

    Understanding Flexbox

    CSS Flexbox Layout

    Achieved

    Apr 27, 2020

    Understanding Flexbox
  • Achievement

    Improve Your Workflow with Sass

    Sass Basics

    Achieved

    Apr 27, 2020

    Improve Your Workflow with Sass
  • Achievement

    Getting Started with Sass

    Sass Basics

    Achieved

    Apr 27, 2020

    Getting Started with Sass
  • Achievement

    Installing Sass and Setting up the Project

    CSS to Sass

    Achieved

    Apr 24, 2020

    Installing Sass and Setting up the Project
  • Achievement

    Updating and Uninstalling Packages with npm

    npm Basics (retiring)

    Achieved

    Apr 23, 2020

    Updating and Uninstalling Packages with npm
  • Achievement

    Installing Packages with npm

    npm Basics (retiring)

    Achieved

    Apr 22, 2020

    Installing Packages with npm
  • Achievement

    What is npm?

    npm Basics (retiring)

    Achieved

    Apr 22, 2020

    What is npm?
  • Achievement

    HTTP Methods and Headers

    Build a Simple Dynamic Site with Node.js

    Achieved

    Apr 20, 2020

    HTTP Methods and Headers
  • Achievement

    Creating a Basic Template Engine in Node.js

    Build a Simple Dynamic Site with Node.js

    Achieved

    Apr 20, 2020

    Creating a Basic Template Engine in Node.js
  • Achievement

    Handling Routes in Node.js

    Build a Simple Dynamic Site with Node.js

    Achieved

    Apr 19, 2020

    Handling Routes in Node.js
  • Achievement

    Creating a Simple Server in Node.js

    Build a Simple Dynamic Site with Node.js

    Achieved

    Apr 19, 2020

    Creating a Simple Server in Node.js
  • Achievement

    Creating a Command Line Weather Application

    Node.js Basics 2017

    Achieved

    Apr 18, 2020

    Creating a Command Line Weather Application
  • Achievement

    Handling Errors in Node

    Node.js Basics 2017

    Achieved

    Apr 18, 2020

    Handling Errors in Node
  • Achievement

    Getting Data From an API With Node

    Node.js Basics 2017

    Achieved

    Apr 17, 2020

    Getting Data From an API With Node
  • Achievement

    Introduction to Node.js

    Node.js Basics 2017

    Achieved

    Apr 17, 2020

    Introduction to Node.js
  • Achievement

    Adding the Game Logic

    Object-Oriented JavaScript: Challenge

    Achieved

    Apr 16, 2020

    Adding the Game Logic
  • Achievement

    Making the Game Interactive

    Object-Oriented JavaScript: Challenge

    Achieved

    Apr 15, 2020

    Making the Game Interactive
  • Achievement

    Rendering the Game

    Object-Oriented JavaScript: Challenge

    Achieved

    Apr 14, 2020

    Rendering the Game
  • Achievement

    Building Constructor Methods and Generating Objects

    Object-Oriented JavaScript: Challenge

    Achieved

    Apr 14, 2020

    Building Constructor Methods and Generating Objects
  • Achievement

    Introducing 'Four in a Row'

    Object-Oriented JavaScript: Challenge

    Achieved

    Apr 13, 2020

    Introducing 'Four in a Row'
  • Achievement

    Getters and Setters

    Object-Oriented JavaScript

    Achieved

    Apr 13, 2020

    Getters and Setters
  • Achievement

    Working with Classes in JavaScript

    Object-Oriented JavaScript

    Achieved

    Apr 13, 2020

    Working with Classes in JavaScript
  • Achievement

    Object Basics

    Object-Oriented JavaScript

    Achieved

    Apr 13, 2020

    Object Basics
  • Achievement

    Introduction to Object-Oriented JavaScript

    Object-Oriented JavaScript

    Achieved

    Apr 13, 2020

    Introduction to Object-Oriented JavaScript
  • Achievement

    Exploring Async/Await

    Asynchronous Programming with JavaScript

    Achieved

    Apr 9, 2020

    Exploring Async/Await
  • Achievement

    Understanding Promises

    Asynchronous Programming with JavaScript

    Achieved

    Apr 9, 2020

    Understanding Promises
  • Achievement

    Asynchronous JavaScript with Callbacks

    Asynchronous Programming with JavaScript

    Achieved

    Apr 9, 2020

    Asynchronous JavaScript with Callbacks
  • Achievement

    What is Asynchronous Programming?

    Asynchronous Programming with JavaScript

    Achieved

    Apr 9, 2020

    What is Asynchronous Programming?
  • Achievement

    Programming AJAX

    AJAX Basics

    Achieved

    Apr 8, 2020

    Programming AJAX
  • Achievement

    AJAX Concepts

    AJAX Basics

    Achieved

    Apr 7, 2020

    AJAX Concepts
  • Achievement

    Traversing the DOM

    JavaScript and the DOM (Retiring)

    Achieved

    Apr 6, 2020

    Traversing the DOM
  • Achievement

    Responding to User Interaction

    Interacting with the DOM

    Achieved

    Apr 6, 2020

    Responding to User Interaction
  • Achievement

    Making Changes to the DOM

    JavaScript and the DOM (Retiring)

    Achieved

    Apr 6, 2020

    Making Changes to the DOM
  • Achievement

    Getting a Handle on the DOM

    JavaScript and the DOM (Retiring)

    Achieved

    Apr 2, 2020

    Getting a Handle on the DOM
  • Achievement

    The Browser Environment

    JavaScript and the DOM (Retiring)

    Achieved

    Apr 1, 2020

    The Browser Environment
  • Achievement

    JavaScript Tools and Workflows

    The Landscape of JavaScript

    Achieved

    Apr 1, 2020

    JavaScript Tools and Workflows
  • Achievement

    JavaScript is Everywhere

    The Landscape of JavaScript

    Achieved

    Apr 1, 2020

    JavaScript is Everywhere
  • Achievement

    JavaScript Objects

    JavaScript Loops, Arrays and Objects

    Achieved

    Mar 31, 2020

    JavaScript Objects
  • Achievement

    JavaScript Arrays

    JavaScript Loops, Arrays and Objects

    Achieved

    Mar 31, 2020

    JavaScript Arrays
  • Achievement

    JavaScript Loops

    JavaScript Loops, Arrays and Objects

    Achieved

    Mar 30, 2020

    JavaScript Loops
  • Achievement

    Arrow Functions

    JavaScript Functions

    Achieved

    Mar 29, 2020

    Arrow Functions
  • Achievement

    Pass Information Into Functions

    JavaScript Functions

    Achieved

    Mar 29, 2020

    Pass Information Into Functions
  • Achievement

    Create Reusable Code with Functions

    JavaScript Functions

    Achieved

    Mar 28, 2020

    Create Reusable Code with Functions
  • Achievement

    The Math Object

    JavaScript Numbers

    Achieved

    Mar 27, 2020

    The Math Object
  • Achievement

    Working with Numbers

    JavaScript Numbers

    Achieved

    Mar 27, 2020

    Working with Numbers
  • Achievement

    Making Decisions in Your Code with Conditional Statements

    JavaScript Basics

    Achieved

    Mar 26, 2020

    Making Decisions in Your Code with Conditional Statements
  • Achievement

    Working With Strings

    JavaScript Basics

    Achieved

    Mar 26, 2020

    Working With Strings
  • Achievement

    Storing and Tracking Information with Variables

    JavaScript Basics

    Achieved

    Mar 25, 2020

    Storing and Tracking Information with Variables
  • Achievement

    Hello, JavaScript!

    JavaScript Basics

    Achieved

    Mar 24, 2020

    Hello, JavaScript!
  • Achievement

    Newbie

    Achieved

    Mar 24, 2020

    Newbie