Lucian Dumitru

Lucian Dumitru

Courses Plus Student

Member Since October 6, 2015
Open to Work

13,024

Total Points

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

Skills & Experience

  • Spoken Languages

    • Romanian
    • English
    • Italian

161 Achievements

  • Achievement

    If Statements

    C# Basics

    Achieved

    Jun 9, 2019

    If Statements
  • Achievement

    Numbers

    C# Basics

    Achieved

    Jun 9, 2019

    Numbers
  • Achievement

    Strings

    C# Basics

    Achieved

    Jun 9, 2019

    Strings
  • Achievement

    Methods

    C# Basics

    Achieved

    Jun 9, 2019

    Methods
  • Achievement

    C# Syntax

    C# Basics

    Achieved

    Jun 8, 2019

    C# Syntax
  • Achievement

    Using Template Literals

    Getting Started With ES2015

    Achieved

    Jun 8, 2019

    Using Template Literals
  • Achievement

    JavaScript Tools and Workflows

    The Landscape of JavaScript

    Achieved

    Dec 5, 2018

    JavaScript Tools and Workflows
  • Achievement

    JavaScript is Everywhere

    The Landscape of JavaScript

    Achieved

    Dec 5, 2018

    JavaScript is Everywhere
  • Achievement

    Combining Array Methods

    JavaScript Array Iteration Methods

    Achieved

    Nov 15, 2017

    Combining Array Methods
  • Achievement

    Array Manipulation

    JavaScript Array Iteration Methods

    Achieved

    Nov 11, 2017

    Array Manipulation
  • Achievement

    Array Iteration

    JavaScript Array Iteration Methods

    Achieved

    Nov 10, 2017

    Array Iteration
  • Achievement

    Encapsulation and Arrays

    C# Objects

    Achieved

    Oct 24, 2017

    Encapsulation and Arrays
  • Achievement

    Inheritance

    C# Objects

    Achieved

    Oct 22, 2017

    Inheritance
  • Achievement

    Methods

    C# Objects

    Achieved

    Oct 21, 2017

    Methods
  • Achievement

    Object-Oriented Programming

    C# Objects

    Achieved

    Oct 21, 2017

    Object-Oriented Programming
  • Achievement

    Perfect

    C# Basics (Retired)

    Achieved

    Oct 3, 2017

    Perfect
  • Achievement

    DOM Traversal

    Introduction to jQuery

    Achieved

    Sep 30, 2017

    DOM Traversal
  • Achievement

    DOM Manipulation

    Introduction to jQuery

    Achieved

    Sep 30, 2017

    DOM Manipulation
  • Achievement

    Events

    Introduction to jQuery

    Achieved

    Sep 30, 2017

    Events
  • Achievement

    Hello, jQuery!

    Introduction to jQuery

    Achieved

    Sep 28, 2017

    Hello, jQuery!
  • Achievement

    Finishing the Game

    Introducing JavaScript

    Achieved

    Sep 28, 2017

    Finishing the Game
  • Achievement

    Introducing JavaScript

    Introducing JavaScript

    Achieved

    Sep 28, 2017

    Introducing JavaScript
  • Achievement

    ES2015 Basics

    Introducing ES2015

    Achieved

    Sep 10, 2017

    ES2015 Basics
  • Achievement

    Callbacks and the DOM

    Callback Functions in JavaScript

    Achieved

    Aug 19, 2017

    Callbacks and the DOM
  • Achievement

    Callbacks with Timers

    Callback Functions in JavaScript

    Achieved

    Aug 7, 2017

    Callbacks with Timers
  • Achievement

    Introduction to Callback Functions

    Callback Functions in JavaScript

    Achieved

    Aug 7, 2017

    Introduction to Callback Functions
  • Achievement

    Perform

    C# Basics (Retired)

    Achieved

    Jun 19, 2017

    Perform
  • Achievement

    Console I/O

    C# Basics (Retired)

    Achieved

    Jun 18, 2017

    Console I/O
  • Achievement

    Prepare and Plan

    C# Basics (Retired)

    Achieved

    Jun 18, 2017

    Prepare and Plan
  • Achievement

    Combine and Minify Assets

    Introduction to Front End Performance Optimization

    Achieved

    Jun 18, 2017

    Combine and Minify Assets
  • Achievement

    Optimize Assets

    Introduction to Front End Performance Optimization

    Achieved

    Jun 18, 2017

    Optimize Assets
  • Achievement

    Measuring Performance

    Introduction to Front End Performance Optimization

    Achieved

    Jun 18, 2017

    Measuring Performance
  • Achievement

    Planning for Performance

    Introduction to Front End Performance Optimization

    Achieved

    Jun 18, 2017

    Planning for Performance
  • Achievement

    Improve Your Workflow with Sass

    Sass Basics

    Achieved

    May 17, 2017

    Improve Your Workflow with Sass
  • Achievement

    Getting Started with Sass

    Sass Basics

    Achieved

    May 17, 2017

    Getting Started with Sass
  • Achievement

    Workflows

    Git Basics

    Achieved

    Apr 30, 2017

    Workflows
  • Achievement

    Working With Remote Repositories

    Git Basics

    Achieved

    Apr 30, 2017

    Working With Remote Repositories
  • Achievement

    Merging

    Git Basics

    Achieved

    Apr 30, 2017

    Merging
  • Achievement

    Branches

    Git Basics

    Achieved

    Apr 30, 2017

    Branches
  • Achievement

    Getting Started With Git

    Git Basics

    Achieved

    Apr 30, 2017

    Getting Started With Git
  • Achievement

    Why Version Control Matters

    Git Basics

    Achieved

    Apr 30, 2017

    Why Version Control Matters
  • Achievement

    Installing Programs

    Console Foundations

    Achieved

    Apr 29, 2017

    Installing Programs
  • Achievement

    Environment and Redirection

    Console Foundations

    Achieved

    Apr 29, 2017

    Environment and Redirection
  • Achievement

    Console Processes

    Console Foundations

    Achieved

    Apr 29, 2017

    Console Processes
  • Achievement

    Console Users and Permission

    Console Foundations

    Achieved

    Apr 29, 2017

    Console Users and Permission
  • Achievement

    Moving Around in the Console

    Console Foundations

    Achieved

    Apr 28, 2017

    Moving Around in the Console
  • Achievement

    Chrome DevTools Basics

    Website Optimization

    Achieved

    Apr 28, 2017

    Chrome DevTools Basics
  • Achievement

    Web Apps

    Accessibility

    Achieved

    Apr 25, 2017

    Web Apps
  • Achievement

    Websites

    Accessibility

    Achieved

    Apr 25, 2017

    Websites
  • Achievement

    Introduction

    Accessibility

    Achieved

    Apr 25, 2017

    Introduction
  • Achievement

    Media Basics

    HTML Video and Audio

    Achieved

    Apr 25, 2017

    Media Basics
  • Achievement

    Captioning Video

    HTML Video and Audio

    Achieved

    Apr 25, 2017

    Captioning Video
  • Achievement

    Quiz Practice Project

    Object-Oriented JavaScript (2015)

    Achieved

    Apr 25, 2017

    Quiz Practice Project
  • Achievement

    Prototypal Inheritance

    Object-Oriented JavaScript (2015)

    Achieved

    Apr 24, 2017

    Prototypal Inheritance
  • Achievement

    Constructor Functions & Prototypes

    Object-Oriented JavaScript (2015)

    Achieved

    Apr 24, 2017

    Constructor Functions & Prototypes
  • Achievement

    Improving the Application Code

    DOM Scripting By Example

    Achieved

    Apr 12, 2017

    Improving the Application Code
  • Achievement

    Editing and Filtering Names

    DOM Scripting By Example

    Achieved

    Apr 11, 2017

    Editing and Filtering Names
  • Achievement

    Adding and Removing Names

    DOM Scripting By Example

    Achieved

    Apr 10, 2017

    Adding and Removing Names
  • Achievement

    Introduction to Methods

    Object-Oriented JavaScript (2015)

    Achieved

    Apr 10, 2017

    Introduction to Methods
  • Achievement

    Traversing the DOM

    JavaScript and the DOM (Retiring)

    Achieved

    Apr 3, 2017

    Traversing the DOM
  • Achievement

    Responding to User Interaction

    Interacting with the DOM

    Achieved

    Apr 3, 2017

    Responding to User Interaction
  • Achievement

    Making Changes to the DOM

    JavaScript and the DOM (Retiring)

    Achieved

    Apr 3, 2017

    Making Changes to the DOM
  • Achievement

    Getting a Handle on the DOM

    JavaScript and the DOM (Retiring)

    Achieved

    Apr 2, 2017

    Getting a Handle on the DOM
  • Achievement

    The Browser Environment

    JavaScript and the DOM (Retiring)

    Achieved

    Apr 2, 2017

    The Browser Environment
  • Achievement

    AJAX and APIs

    AJAX Basics (retiring)

    Achieved

    Mar 29, 2017

    AJAX and APIs
  • Achievement

    jQuery and AJAX

    AJAX Basics (retiring)

    Achieved

    Mar 28, 2017

    jQuery and AJAX
  • Achievement

    Programming AJAX

    AJAX Basics (retiring)

    Achieved

    Mar 27, 2017

    Programming AJAX
  • Achievement

    AJAX Concepts

    AJAX Basics (retiring)

    Achieved

    Mar 24, 2017

    AJAX Concepts
  • Achievement

    Custom Media Players

    HTML Video and Audio (Retired)

    Achieved

    Mar 24, 2017

    Custom Media Players
  • Achievement

    Captioning Video

    HTML Video and Audio (Retired)

    Achieved

    Mar 23, 2017

    Captioning Video
  • Achievement

    Media Basics

    HTML Video and Audio (Retired)

    Achieved

    Mar 23, 2017

    Media Basics
  • Achievement

    Building Forms with Bootstrap

    Bootstrap 4 Basics (Retired)

    Achieved

    Mar 23, 2017

    Building Forms with Bootstrap
  • Achievement

    Using Bootstrap Components

    Bootstrap 4 Basics (Retired)

    Achieved

    Mar 23, 2017

    Using Bootstrap Components
  • Achievement

    Responsive Layouts with the Bootstrap Grid

    Bootstrap 4 Basics (Retired)

    Achieved

    Mar 20, 2017

    Responsive Layouts with the Bootstrap Grid
  • Achievement

    Getting to Know Bootstrap 4

    Bootstrap 4 Basics (Retired)

    Achieved

    Mar 19, 2017

    Getting to Know Bootstrap 4
  • Achievement

    Creating a Simple Drawing Application

    jQuery Basics (2014)

    Achieved

    Mar 19, 2017

    Creating a Simple Drawing Application
  • Achievement

    Creating a Password Confirmation Form

    jQuery Basics (2014)

    Achieved

    Mar 14, 2017

    Creating a Password Confirmation Form
  • Achievement

    Creating a Mobile Drop Down Menu

    jQuery Basics (2014)

    Achieved

    Mar 13, 2017

    Creating a Mobile Drop Down Menu
  • Achievement

    Creating a Simple Lightbox

    jQuery Basics (2014)

    Achieved

    Mar 7, 2017

    Creating a Simple Lightbox
  • Achievement

    Creating a Spoiler Revealer

    jQuery Basics (2014)

    Achieved

    Aug 18, 2016

    Creating a Spoiler Revealer
  • Achievement

    Introduction to jQuery

    jQuery Basics (2014)

    Achieved

    Aug 17, 2016

    Introduction to jQuery
  • Achievement

    JavaScript Objects

    JavaScript Loops, Arrays and Objects

    Achieved

    Aug 16, 2016

    JavaScript Objects
  • Achievement

    JavaScript Arrays

    JavaScript Loops, Arrays and Objects

    Achieved

    Aug 12, 2016

    JavaScript Arrays
  • Achievement

    JavaScript Loops

    JavaScript Loops, Arrays and Objects

    Achieved

    Aug 4, 2016

    JavaScript Loops
  • Achievement

    JavaScript Functions

    JavaScript Basics (Retired)

    Achieved

    Jul 31, 2016

    JavaScript Functions
  • Achievement

    JavaScript Conditional Statements

    JavaScript Basics (Retired)

    Achieved

    Jul 26, 2016

    JavaScript Conditional Statements
  • Achievement

    JavaScript Numbers

    JavaScript Basics (Retired)

    Achieved

    Jul 19, 2016

    JavaScript Numbers
  • Achievement

    JavaScript Variables

    JavaScript Basics (Retired)

    Achieved

    Jul 3, 2016

    JavaScript Variables
  • Achievement

    Introducing JavaScript

    JavaScript Basics (Retired)

    Achieved

    Jul 2, 2016

    Introducing JavaScript
  • Achievement

    Art Direction with the Picture Element

    Responsive Images

    Achieved

    Jun 30, 2016

    Art Direction with the Picture Element
  • Achievement

    Image Delivery with Srcset and Sizes

    Responsive Images

    Achieved

    Jun 30, 2016

    Image Delivery with Srcset and Sizes
  • Achievement

    Adding a New Web Page

    Introduction to HTML and CSS (2016)

    Achieved

    Jun 30, 2016

    Adding a New Web Page
  • Achievement

    Make It Beautiful with CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Jun 12, 2016

    Make It Beautiful with CSS
  • Achievement

    HTML: The Structural Foundation of Web Pages and Applications

    Introduction to HTML and CSS (2016)

    Achieved

    Jun 12, 2016

    HTML: The Structural Foundation of Web Pages and Applications
  • Achievement

    Getting Familiar with HTML and CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Jun 12, 2016

    Getting Familiar with HTML and CSS
  • Achievement

    Installing Sass and Setting up the Project

    CSS to Sass

    Achieved

    Jun 12, 2016

    Installing Sass and Setting up the Project
  • Achievement

    Finalizing the Project

    Brand Identity Basics

    Achieved

    Jun 12, 2016

    Finalizing the Project
  • Achievement

    Case Studies and Examples

    Brand Identity Basics

    Achieved

    Jun 12, 2016

    Case Studies and Examples
  • Achievement

    The Brand Identity Design Process

    Brand Identity Basics

    Achieved

    Jun 12, 2016

    The Brand Identity Design Process
  • Achievement

    Introduction to Brand Identity

    Brand Identity Basics

    Achieved

    Jun 12, 2016

    Introduction to Brand Identity
  • Achievement

    The Logo Sprint

    Logo Design Basics

    Achieved

    Jun 12, 2016

    The Logo Sprint
  • Achievement

    Logo Design 101

    Logo Design Basics

    Achieved

    Jun 9, 2016

    Logo Design 101
  • Achievement

    Keyframe and Line Drawing Animations

    Animating SVG with CSS

    Achieved

    Jun 9, 2016

    Keyframe and Line Drawing Animations
  • Achievement

    Transitions and Transforms

    Animating SVG with CSS

    Achieved

    Jun 5, 2016

    Transitions and Transforms
  • Achievement

    Creating an SVG

    SVG Basics

    Achieved

    May 31, 2016

    Creating an SVG
  • Achievement

    Introduction to SVG

    SVG Basics

    Achieved

    May 31, 2016

    Introduction to SVG
  • Achievement

    Adding 3D Effects with CSS

    CSS Transitions and Transforms

    Achieved

    May 30, 2016

    Adding 3D Effects with CSS
  • Achievement

    Getting Started with CSS Transforms

    CSS Transitions and Transforms

    Achieved

    May 29, 2016

    Getting Started with CSS Transforms
  • Achievement

    Transition Timing Functions and Delays

    CSS Transitions and Transforms

    Achieved

    Apr 24, 2016

    Transition Timing Functions and Delays
  • Achievement

    Getting Started with CSS Transitions

    CSS Transitions and Transforms

    Achieved

    Apr 22, 2016

    Getting Started with CSS Transitions
  • Achievement

    Type Tools

    Photoshop Foundations

    Achieved

    Mar 24, 2016

    Type Tools
  • Achievement

    Masks Basics

    Photoshop Foundations

    Achieved

    Mar 24, 2016

    Masks Basics
  • Achievement

    Layer Basics

    Photoshop Foundations

    Achieved

    Mar 24, 2016

    Layer Basics
  • Achievement

    Workspace Basics

    Photoshop Foundations

    Achieved

    Mar 24, 2016

    Workspace Basics
  • Achievement

    Design Foundations Final

    Design Foundations

    Achieved

    Mar 23, 2016

    Design Foundations Final
  • Achievement

    Becoming a Problem Solver

    Design Foundations

    Achieved

    Mar 23, 2016

    Becoming a Problem Solver
  • Achievement

    Understanding Aesthetics

    Design Foundations

    Achieved

    Mar 23, 2016

    Understanding Aesthetics
  • Achievement

    Introduction to Design

    Design Foundations

    Achieved

    Mar 23, 2016

    Introduction to Design
  • Achievement

    Building a Layout with Flexbox

    CSS Flexbox Layout

    Achieved

    Mar 23, 2016

    Building a Layout with Flexbox
  • Achievement

    Flexbox Properties

    CSS Flexbox Layout

    Achieved

    Mar 16, 2016

    Flexbox Properties
  • Achievement

    Understanding Flexbox

    CSS Flexbox Layout

    Achieved

    Mar 15, 2016

    Understanding Flexbox
  • Achievement

    Responsive Patterns

    Responsive Layouts

    Achieved

    Feb 27, 2016

    Responsive Patterns
  • Achievement

    Media Queries

    Responsive Layouts

    Achieved

    Feb 27, 2016

    Media Queries
  • Achievement

    Responsive Theory

    Responsive Layouts

    Achieved

    Feb 27, 2016

    Responsive Theory
  • Achievement

    Positioning Page Content

    CSS Layout Basics

    Achieved

    Feb 26, 2016

    Positioning Page Content
  • Achievement

    CSS Layout Project

    CSS Layout Basics

    Achieved

    Feb 26, 2016

    CSS Layout Project
  • Achievement

    Page Layout with the Float Property

    CSS Layout Basics

    Achieved

    Feb 25, 2016

    Page Layout with the Float Property
  • Achievement

    Controlling Layout with CSS Display Modes

    CSS Layout Basics

    Achieved

    Feb 23, 2016

    Controlling Layout with CSS Display Modes
  • Achievement

    Getting Started with CSS Layout

    CSS Layout Basics

    Achieved

    Feb 16, 2016

    Getting Started with CSS Layout
  • Achievement

    Handling Errors When Manipulating Data

    Modifying Data with SQL

    Achieved

    Feb 14, 2016

    Handling Errors When Manipulating Data
  • Achievement

    Deleting Data from a Database

    Modifying Data with SQL

    Achieved

    Feb 14, 2016

    Deleting Data from a Database
  • Achievement

    Updating Data in a Database

    Modifying Data with SQL

    Achieved

    Feb 14, 2016

    Updating Data in a Database
  • Achievement

    Adding Data to a Database

    Modifying Data with SQL

    Achieved

    Feb 14, 2016

    Adding Data to a Database
  • Achievement

    Finding the Data You Want

    SQL Basics

    Achieved

    Feb 6, 2016

    Finding the Data You Want
  • Achievement

    Getting Data from a Database

    SQL Basics

    Achieved

    Feb 4, 2016

    Getting Data from a Database
  • Achievement

    Data, Databases and SQL

    SQL Basics

    Achieved

    Feb 4, 2016

    Data, Databases and SQL
  • Achievement

    Structuring Tables

    HTML Tables

    Achieved

    Feb 3, 2016

    Structuring Tables
  • Achievement

    Table Basics

    HTML Tables

    Achieved

    Feb 3, 2016

    Table Basics
  • Achievement

    Choosing Options

    HTML Forms

    Achieved

    Feb 3, 2016

    Choosing Options
  • Achievement

    Organizing Forms

    HTML Forms

    Achieved

    Feb 3, 2016

    Organizing Forms
  • Achievement

    Form Basics

    HTML Forms

    Achieved

    Feb 3, 2016

    Form Basics
  • Achievement

    Advanced Selectors

    CSS Selectors

    Achieved

    Feb 2, 2016

    Advanced Selectors
  • Achievement

    Going Further with Attribute Selectors and Pseudo-Classes

    CSS Selectors

    Achieved

    Jan 27, 2016

    Going Further with Attribute Selectors and Pseudo-Classes
  • Achievement

    Selectors - Beyond the Basics

    CSS Selectors

    Achieved

    Jan 26, 2016

    Selectors - Beyond the Basics
  • Achievement

    Fundamental Concepts

    CSS Basics (2014)

    Achieved

    Jan 17, 2016

    Fundamental Concepts
  • Achievement

    Designing with the Latest Features

    CSS Basics (2014)

    Achieved

    Jan 17, 2016

    Designing with the Latest Features
  • Achievement

    Basic Layout

    CSS Basics (2014)

    Achieved

    Dec 13, 2015

    Basic Layout
  • Achievement

    The Box Model

    CSS Basics (2014)

    Achieved

    Dec 8, 2015

    The Box Model
  • Achievement

    Understanding Values and Units

    CSS Basics (2014)

    Achieved

    Dec 7, 2015

    Understanding Values and Units
  • Achievement

    Basic Selectors

    CSS Basics (2014)

    Achieved

    Dec 6, 2015

    Basic Selectors
  • Achievement

    Getting Started with CSS

    CSS Basics (2014)

    Achieved

    Dec 5, 2015

    Getting Started with CSS
  • Achievement

    Debugging HTML and CSS Problems

    How to Make a Website

    Achieved

    Nov 9, 2015

    Debugging HTML and CSS Problems
  • Achievement

    Sharing a Website

    How to Make a Website

    Achieved

    Nov 5, 2015

    Sharing a Website
  • Achievement

    Adding Pages to a Website

    How to Make a Website

    Achieved

    Nov 2, 2015

    Adding Pages to a Website
  • Achievement

    Styling Web Pages and Navigation

    How to Make a Website

    Achieved

    Oct 15, 2015

    Styling Web Pages and Navigation
  • Achievement

    Customizing Colors and Fonts

    How to Make a Website

    Achieved

    Oct 13, 2015

    Customizing Colors and Fonts
  • Achievement

    CSS: Cascading Style Sheets

    How to Make a Website

    Achieved

    Oct 12, 2015

    CSS: Cascading Style Sheets
  • Achievement

    Creating HTML Content

    How to Make a Website

    Achieved

    Oct 6, 2015

    Creating HTML Content
  • Achievement

    HTML First

    How to Make a Website

    Achieved

    Oct 6, 2015

    HTML First
  • Achievement

    Beginning HTML and CSS

    How to Make a Website

    Achieved

    Oct 6, 2015

    Beginning HTML and CSS
  • Achievement

    Newbie

    Achieved

    Oct 6, 2015

    Newbie