Vlad Legkowski

Vlad Legkowski

Member Since February 12, 2016

9,882

Total Points

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

Skills & Experience

  • Company

    William Hill Online

121 Achievements

  • Achievement

    SMACSS and Sass

    Modular CSS with Sass

    Achieved

    Mar 26, 2017

    SMACSS and Sass
  • Achievement

    Getting Modular with Mixins and Functions

    Modular CSS with Sass

    Achieved

    Mar 15, 2017

    Getting Modular with Mixins and Functions
  • Achievement

    Simple Mobile Interface

    Sketch Basics

    Achieved

    Feb 5, 2017

    Simple Mobile Interface
  • Achievement

    Exporting Designs

    Sketch Basics

    Achieved

    Feb 4, 2017

    Exporting Designs
  • Achievement

    Sketch Features

    Sketch Basics

    Achieved

    Feb 4, 2017

    Sketch Features
  • Achievement

    Introducing Sketch

    Sketch Basics

    Achieved

    Feb 4, 2017

    Introducing Sketch
  • Achievement

    Getting Data From an API With Node

    Node.js Basics 2017

    Achieved

    Feb 1, 2017

    Getting Data From an API With Node
  • Achievement

    Introduction to Node.js

    Node.js Basics 2017

    Achieved

    Jan 31, 2017

    Introduction to Node.js
  • Achievement

    Editing and Filtering Names

    DOM Scripting By Example

    Achieved

    Jan 27, 2017

    Editing and Filtering Names
  • Achievement

    Adding and Removing Names

    DOM Scripting By Example

    Achieved

    Jan 25, 2017

    Adding and Removing Names
  • Achievement

    Prototypal Inheritance

    Object-Oriented JavaScript (2015)

    Achieved

    Jan 19, 2017

    Prototypal Inheritance
  • Achievement

    Stateful Components

    React Basics (retired)

    Achieved

    Jan 16, 2017

    Stateful Components
  • Achievement

    Setting Up Your Local Environment for Spring Development

    Spring Basics

    Achieved

    Jan 16, 2017

    Setting Up Your Local Environment for Spring Development
  • Achievement

    Using Java's Built-In Annotations

    Java Annotations

    Achieved

    Jan 16, 2017

    Using Java's Built-In Annotations
  • Achievement

    Thinking in Components

    React Basics (retired)

    Achieved

    Jan 15, 2017

    Thinking in Components
  • Achievement

    First Steps in React

    React Basics (retired)

    Achieved

    Jan 15, 2017

    First Steps in React
  • Achievement

    Introduction to Node.js

    Node.js Basics (2014)

    Achieved

    Jan 11, 2017

    Introduction to Node.js
  • Achievement

    Classes

    Introducing ES2015

    Achieved

    Jan 11, 2017

    Classes
  • Achievement

    Objects and New Collection Types

    Introducing ES2015

    Achieved

    Jan 10, 2017

    Objects and New Collection Types
  • Achievement

    The Cooler Parts of ES2015

    Introducing ES2015

    Achieved

    Dec 29, 2016

    The Cooler Parts of ES2015
  • Achievement

    ES2015 Basics

    Introducing ES2015

    Achieved

    Dec 20, 2016

    ES2015 Basics
  • Achievement

    Traversing the DOM

    JavaScript and the DOM (Retiring)

    Achieved

    Dec 14, 2016

    Traversing the DOM
  • Achievement

    Responding to User Interaction

    Interacting with the DOM

    Achieved

    Dec 6, 2016

    Responding to User Interaction
  • Achievement

    Making Changes to the DOM

    JavaScript and the DOM (Retiring)

    Achieved

    Dec 4, 2016

    Making Changes to the DOM
  • Achievement

    Getting a Handle on the DOM

    JavaScript and the DOM (Retiring)

    Achieved

    Dec 3, 2016

    Getting a Handle on the DOM
  • Achievement

    The Browser Environment

    JavaScript and the DOM (Retiring)

    Achieved

    Dec 3, 2016

    The Browser Environment
  • Achievement

    Constructor Functions & Prototypes

    Object-Oriented JavaScript (2015)

    Achieved

    Nov 12, 2016

    Constructor Functions & Prototypes
  • Achievement

    Advanced Sass Concepts

    Sass Basics (retired)

    Achieved

    Nov 8, 2016

    Advanced Sass Concepts
  • Achievement

    Speeding up Workflow With Sass

    Sass Basics (retired)

    Achieved

    Nov 6, 2016

    Speeding up Workflow With Sass
  • Achievement

    Variables, Mixins, and Extending Selectors

    Sass Basics (retired)

    Achieved

    Nov 6, 2016

    Variables, Mixins, and Extending Selectors
  • Achievement

    Getting Started with Sass

    Sass Basics (retired)

    Achieved

    Nov 6, 2016

    Getting Started with Sass
  • Achievement

    Workflows

    Git Basics

    Achieved

    Nov 5, 2016

    Workflows
  • Achievement

    Working With Remote Repositories

    Git Basics

    Achieved

    Nov 5, 2016

    Working With Remote Repositories
  • Achievement

    Merging

    Git Basics

    Achieved

    Nov 3, 2016

    Merging
  • Achievement

    Branches

    Git Basics

    Achieved

    Nov 3, 2016

    Branches
  • Achievement

    Getting Started With Git

    Git Basics

    Achieved

    Nov 2, 2016

    Getting Started With Git
  • Achievement

    Why Version Control Matters

    Git Basics

    Achieved

    Nov 1, 2016

    Why Version Control Matters
  • Achievement

    Installing Programs

    Console Foundations

    Achieved

    Oct 31, 2016

    Installing Programs
  • Achievement

    Environment and Redirection

    Console Foundations

    Achieved

    Oct 30, 2016

    Environment and Redirection
  • Achievement

    Console Processes

    Console Foundations

    Achieved

    Oct 30, 2016

    Console Processes
  • Achievement

    Console Users and Permission

    Console Foundations

    Achieved

    Oct 30, 2016

    Console Users and Permission
  • Achievement

    Moving Around in the Console

    Console Foundations

    Achieved

    Oct 30, 2016

    Moving Around in the Console
  • Achievement

    Optimize Assets

    Introduction to Front End Performance Optimization

    Achieved

    Oct 25, 2016

    Optimize Assets
  • Achievement

    Measuring Performance

    Introduction to Front End Performance Optimization

    Achieved

    Oct 25, 2016

    Measuring Performance
  • Achievement

    Planning for Performance

    Introduction to Front End Performance Optimization

    Achieved

    Oct 25, 2016

    Planning for Performance
  • Achievement

    What Do User Experience Designers Do?

    UX Basics

    Achieved

    Oct 19, 2016

    What Do User Experience Designers Do?
  • Achievement

    What is User Experience (UX)?

    UX Basics

    Achieved

    Oct 19, 2016

    What is User Experience (UX)?
  • Achievement

    Introducing jQuery Plugins

    Using jQuery Plugins

    Achieved

    Aug 13, 2016

    Introducing jQuery Plugins
  • Achievement

    Introduction to Methods

    Object-Oriented JavaScript (2015)

    Achieved

    Jul 10, 2016

    Introduction to Methods
  • Achievement

    Custom Media Players

    HTML Video and Audio (Retired)

    Achieved

    Jul 8, 2016

    Custom Media Players
  • Achievement

    Captioning Video

    HTML Video and Audio (Retired)

    Achieved

    Jul 8, 2016

    Captioning Video
  • Achievement

    AJAX and APIs

    AJAX Basics (retiring)

    Achieved

    Jun 28, 2016

    AJAX and APIs
  • Achievement

    jQuery and AJAX

    AJAX Basics (retiring)

    Achieved

    Jun 22, 2016

    jQuery and AJAX
  • Achievement

    Programming AJAX

    AJAX Basics (retiring)

    Achieved

    Jun 21, 2016

    Programming AJAX
  • Achievement

    AJAX Concepts

    AJAX Basics (retiring)

    Achieved

    Jun 21, 2016

    AJAX Concepts
  • Achievement

    Building Forms with Bootstrap

    Bootstrap 4 Basics (Retired)

    Achieved

    Jun 16, 2016

    Building Forms with Bootstrap
  • Achievement

    Using Bootstrap Components

    Bootstrap 4 Basics (Retired)

    Achieved

    Jun 15, 2016

    Using Bootstrap Components
  • Achievement

    Responsive Layouts with the Bootstrap Grid

    Bootstrap 4 Basics (Retired)

    Achieved

    Jun 15, 2016

    Responsive Layouts with the Bootstrap Grid
  • Achievement

    Getting to Know Bootstrap 4

    Bootstrap 4 Basics (Retired)

    Achieved

    Jun 14, 2016

    Getting to Know Bootstrap 4
  • Achievement

    Traversing and Manipulating the DOM with JavaScript

    Interactive Web Pages with JavaScript

    Achieved

    May 25, 2016

    Traversing and Manipulating the DOM with JavaScript
  • Achievement

    Selecting Elements and Adding Events with JavaScript

    Interactive Web Pages with JavaScript

    Achieved

    May 19, 2016

    Selecting Elements and Adding Events with JavaScript
  • Achievement

    JavaScript and the DOM

    Interactive Web Pages with JavaScript

    Achieved

    May 19, 2016

    JavaScript and the DOM
  • Achievement

    Creating a Simple Drawing Application

    jQuery Basics (2014)

    Achieved

    May 15, 2016

    Creating a Simple Drawing Application
  • Achievement

    Creating a Password Confirmation Form

    jQuery Basics (2014)

    Achieved

    Apr 18, 2016

    Creating a Password Confirmation Form
  • Achievement

    Creating a Mobile Drop Down Menu

    jQuery Basics (2014)

    Achieved

    Apr 15, 2016

    Creating a Mobile Drop Down Menu
  • Achievement

    Creating a Simple Lightbox

    jQuery Basics (2014)

    Achieved

    Apr 13, 2016

    Creating a Simple Lightbox
  • Achievement

    Creating a Spoiler Revealer

    jQuery Basics (2014)

    Achieved

    Apr 11, 2016

    Creating a Spoiler Revealer
  • Achievement

    Introduction to jQuery

    jQuery Basics (2014)

    Achieved

    Apr 10, 2016

    Introduction to jQuery
  • Achievement

    JavaScript Objects

    JavaScript Loops, Arrays and Objects

    Achieved

    Apr 5, 2016

    JavaScript Objects
  • Achievement

    JavaScript Arrays

    JavaScript Loops, Arrays and Objects

    Achieved

    Apr 4, 2016

    JavaScript Arrays
  • Achievement

    JavaScript Loops

    JavaScript Loops, Arrays and Objects

    Achieved

    Apr 3, 2016

    JavaScript Loops
  • Achievement

    Building a Layout with Flexbox

    CSS Flexbox Layout

    Achieved

    Apr 1, 2016

    Building a Layout with Flexbox
  • Achievement

    Flexbox Properties

    CSS Flexbox Layout

    Achieved

    Mar 31, 2016

    Flexbox Properties
  • Achievement

    Understanding Flexbox

    CSS Flexbox Layout

    Achieved

    Mar 30, 2016

    Understanding Flexbox
  • Achievement

    Positioning Page Content

    CSS Layout Basics

    Achieved

    Mar 30, 2016

    Positioning Page Content
  • Achievement

    CSS Layout Project

    CSS Layout Basics

    Achieved

    Mar 28, 2016

    CSS Layout Project
  • Achievement

    Page Layout with the Float Property

    CSS Layout Basics

    Achieved

    Mar 23, 2016

    Page Layout with the Float Property
  • Achievement

    Controlling Layout with CSS Display Modes

    CSS Layout Basics

    Achieved

    Mar 23, 2016

    Controlling Layout with CSS Display Modes
  • Achievement

    Getting Started with CSS Layout

    CSS Layout Basics

    Achieved

    Mar 22, 2016

    Getting Started with CSS Layout
  • Achievement

    Advanced Selectors

    CSS Selectors

    Achieved

    Mar 21, 2016

    Advanced Selectors
  • Achievement

    Going Further with Attribute Selectors and Pseudo-Classes

    CSS Selectors

    Achieved

    Mar 21, 2016

    Going Further with Attribute Selectors and Pseudo-Classes
  • Achievement

    Selectors - Beyond the Basics

    CSS Selectors

    Achieved

    Mar 21, 2016

    Selectors - Beyond the Basics
  • Achievement

    JavaScript Functions

    JavaScript Basics (Retired)

    Achieved

    Mar 19, 2016

    JavaScript Functions
  • Achievement

    JavaScript Conditional Statements

    JavaScript Basics (Retired)

    Achieved

    Mar 18, 2016

    JavaScript Conditional Statements
  • Achievement

    JavaScript Numbers

    JavaScript Basics (Retired)

    Achieved

    Mar 18, 2016

    JavaScript Numbers
  • Achievement

    JavaScript Variables

    JavaScript Basics (Retired)

    Achieved

    Mar 15, 2016

    JavaScript Variables
  • Achievement

    Introducing JavaScript

    JavaScript Basics (Retired)

    Achieved

    Mar 15, 2016

    Introducing JavaScript
  • Achievement

    Responsive Patterns

    Responsive Layouts

    Achieved

    Feb 29, 2016

    Responsive Patterns
  • Achievement

    Media Queries

    Responsive Layouts

    Achieved

    Feb 29, 2016

    Media Queries
  • Achievement

    Responsive Theory

    Responsive Layouts

    Achieved

    Feb 29, 2016

    Responsive Theory
  • Achievement

    Media Basics

    HTML Video and Audio (Retired)

    Achieved

    Feb 24, 2016

    Media Basics
  • Achievement

    Fundamental Concepts

    CSS Basics (2014)

    Achieved

    Feb 23, 2016

    Fundamental Concepts
  • Achievement

    Designing with the Latest Features

    CSS Basics (2014)

    Achieved

    Feb 23, 2016

    Designing with the Latest Features
  • Achievement

    Basic Layout

    CSS Basics (2014)

    Achieved

    Feb 21, 2016

    Basic Layout
  • Achievement

    The Box Model

    CSS Basics (2014)

    Achieved

    Feb 20, 2016

    The Box Model
  • Achievement

    Understanding Values and Units

    CSS Basics (2014)

    Achieved

    Feb 20, 2016

    Understanding Values and Units
  • Achievement

    Basic Selectors

    CSS Basics (2014)

    Achieved

    Feb 19, 2016

    Basic Selectors
  • Achievement

    Structuring Tables

    HTML Tables

    Achieved

    Feb 19, 2016

    Structuring Tables
  • Achievement

    Table Basics

    HTML Tables

    Achieved

    Feb 19, 2016

    Table Basics
  • Achievement

    Getting Started with CSS

    CSS Basics (2014)

    Achieved

    Feb 18, 2016

    Getting Started with CSS
  • Achievement

    Links

    HTML

    Achieved

    Feb 18, 2016

    Links
  • Achievement

    Choosing Options

    HTML Forms

    Achieved

    Feb 18, 2016

    Choosing Options
  • Achievement

    Organizing Forms

    HTML Forms

    Achieved

    Feb 17, 2016

    Organizing Forms
  • Achievement

    Form Basics

    HTML Forms

    Achieved

    Feb 17, 2016

    Form Basics
  • Achievement

    Lists

    HTML

    Achieved

    Feb 16, 2016

    Lists
  • Achievement

    Forms

    HTML

    Achieved

    Feb 16, 2016

    Forms
  • Achievement

    Tables

    HTML

    Achieved

    Feb 16, 2016

    Tables
  • Achievement

    Objects

    HTML

    Achieved

    Feb 16, 2016

    Objects
  • Achievement

    Text

    HTML

    Achieved

    Feb 16, 2016

    Text
  • Achievement

    Introduction

    HTML

    Achieved

    Feb 16, 2016

    Introduction
  • Achievement

    Debugging HTML and CSS Problems

    How to Make a Website

    Achieved

    Feb 16, 2016

    Debugging HTML and CSS Problems
  • Achievement

    Sharing a Website

    How to Make a Website

    Achieved

    Feb 15, 2016

    Sharing a Website
  • Achievement

    Responsive Web Design and Testing

    How to Make a Website

    Achieved

    Feb 15, 2016

    Responsive Web Design and Testing
  • Achievement

    Adding Pages to a Website

    How to Make a Website

    Achieved

    Feb 14, 2016

    Adding Pages to a Website
  • Achievement

    Styling Web Pages and Navigation

    How to Make a Website

    Achieved

    Feb 14, 2016

    Styling Web Pages and Navigation
  • Achievement

    Customizing Colors and Fonts

    How to Make a Website

    Achieved

    Feb 14, 2016

    Customizing Colors and Fonts
  • Achievement

    CSS: Cascading Style Sheets

    How to Make a Website

    Achieved

    Feb 13, 2016

    CSS: Cascading Style Sheets
  • Achievement

    Creating HTML Content

    How to Make a Website

    Achieved

    Feb 13, 2016

    Creating HTML Content
  • Achievement

    HTML First

    How to Make a Website

    Achieved

    Feb 13, 2016

    HTML First
  • Achievement

    Beginning HTML and CSS

    How to Make a Website

    Achieved

    Feb 12, 2016

    Beginning HTML and CSS
  • Achievement

    Newbie

    Achieved

    Feb 12, 2016

    Newbie