Pier-Luc Cossette

Pier-Luc Cossette

Member Since October 9, 2015

4,588

Total Points

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

Skills & Experience

  • Job Title

    Front-end developer

64 Achievements

  • Achievement

    Responding to User Interaction

    Interacting with the DOM

    Achieved

    Jul 14, 2019

    Responding to User Interaction
  • Achievement

    Making Changes to the DOM

    JavaScript and the DOM (Retiring)

    Achieved

    Jun 20, 2019

    Making Changes to the DOM
  • Achievement

    Getting a Handle on the DOM

    JavaScript and the DOM (Retiring)

    Achieved

    Jun 20, 2019

    Getting a Handle on the DOM
  • Achievement

    The Browser Environment

    JavaScript and the DOM (Retiring)

    Achieved

    Jun 19, 2019

    The Browser Environment
  • Achievement

    Create Function Using Arrow Syntax

    Getting Started With ES2015

    Achieved

    Jun 19, 2019

    Create Function Using Arrow Syntax
  • Achievement

    Using Template Literals

    Getting Started With ES2015

    Achieved

    Jun 18, 2019

    Using Template Literals
  • Achievement

    Defining Variables With let and const

    Getting Started With ES2015

    Achieved

    Jun 18, 2019

    Defining Variables With let and const
  • Achievement

    JavaScript Tools and Workflows

    The Landscape of JavaScript

    Achieved

    Jun 18, 2019

    JavaScript Tools and Workflows
  • Achievement

    JavaScript is Everywhere

    The Landscape of JavaScript

    Achieved

    Jun 18, 2019

    JavaScript is Everywhere
  • Achievement

    JavaScript Loops

    JavaScript Loops, Arrays and Objects

    Achieved

    Jun 18, 2019

    JavaScript Loops
  • Achievement

    JavaScript Objects

    JavaScript Loops, Arrays and Objects

    Achieved

    Jun 18, 2019

    JavaScript Objects
  • Achievement

    JavaScript Arrays

    JavaScript Loops, Arrays and Objects

    Achieved

    Jun 16, 2019

    JavaScript Arrays
  • Achievement

    JavaScript Functions

    JavaScript Basics (Retired)

    Achieved

    Mar 27, 2017

    JavaScript Functions
  • Achievement

    Getting Started with WooCommerce Theme Development

    WooCommerce Theme Development

    Achieved

    Mar 27, 2017

    Getting Started with WooCommerce Theme Development
  • Achievement

    Create Bootstrap Styled Theme Templates

    From Bootstrap to WordPress

    Achieved

    Apr 16, 2016

    Create Bootstrap Styled Theme Templates
  • Achievement

    Setup a Bootstrap Theme

    From Bootstrap to WordPress

    Achieved

    Apr 7, 2016

    Setup a Bootstrap Theme
  • Achievement

    A Template Hierarchy Review

    The WordPress Template Hierarchy

    Achieved

    Apr 5, 2016

    A Template Hierarchy Review
  • Achievement

    Media Templates in WordPress

    The WordPress Template Hierarchy

    Achieved

    Apr 5, 2016

    Media Templates in WordPress
  • Achievement

    Custom Post Type Templates

    The WordPress Template Hierarchy

    Achieved

    Apr 5, 2016

    Custom Post Type Templates
  • Achievement

    Archive Templates in WordPress

    The WordPress Template Hierarchy

    Achieved

    Apr 5, 2016

    Archive Templates in WordPress
  • Achievement

    Page and Post Templates in WordPress

    The WordPress Template Hierarchy

    Achieved

    Apr 5, 2016

    Page and Post Templates in WordPress
  • Achievement

    Homepage Templates in WordPress

    The WordPress Template Hierarchy

    Achieved

    Apr 5, 2016

    Homepage Templates in WordPress
  • Achievement

    Core WordPress Theme Files

    The WordPress Template Hierarchy

    Achieved

    Apr 1, 2016

    Core WordPress Theme Files
  • Achievement

    How WordPress Templates Work

    The WordPress Template Hierarchy

    Achieved

    Apr 1, 2016

    How WordPress Templates Work
  • Achievement

    Finishing Your WordPress Theme

    WordPress Theme Development

    Achieved

    Mar 31, 2016

    Finishing Your WordPress Theme
  • Achievement

    Custom Homepage Templates in WordPress

    WordPress Theme Development

    Achieved

    Mar 31, 2016

    Custom Homepage Templates in WordPress
  • Achievement

    Adding a Blog to a WordPress Theme

    WordPress Theme Development

    Achieved

    Mar 31, 2016

    Adding a Blog to a WordPress Theme
  • Achievement

    More Advanced PHP for WordPress

    PHP for WordPress

    Achieved

    Mar 24, 2016

    More Advanced PHP for WordPress
  • Achievement

    PHP Basics for WordPress

    PHP for WordPress

    Achieved

    Mar 24, 2016

    PHP Basics for WordPress
  • Achievement

    Introduction to PHP for WordPress

    PHP for WordPress

    Achieved

    Mar 24, 2016

    Introduction to PHP for WordPress
  • Achievement

    Local WordPress Development

    Local WordPress Development

    Achieved

    Mar 23, 2016

    Local WordPress Development
  • Achievement

    WordPress Plugin Best Practices

    How to Make a Website with WordPress

    Achieved

    Mar 23, 2016

    WordPress Plugin Best Practices
  • Achievement

    Widgets and Custom Menus

    How to Make a Website with WordPress

    Achieved

    Mar 23, 2016

    Widgets and Custom Menus
  • Achievement

    Custom Post Types and Fields

    How to Make a Website with WordPress

    Achieved

    Mar 23, 2016

    Custom Post Types and Fields
  • Achievement

    Customizing WordPress Themes

    How to Make a Website with WordPress

    Achieved

    Mar 23, 2016

    Customizing WordPress Themes
  • Achievement

    WordPress Themes

    How to Make a Website with WordPress

    Achieved

    Mar 23, 2016

    WordPress Themes
  • Achievement

    Installing Wordpress

    How to Make a Website with WordPress

    Achieved

    Mar 23, 2016

    Installing Wordpress
  • Achievement

    Custom Dashboard Widgets

    Customizing the WordPress Admin Area

    Achieved

    Mar 23, 2016

    Custom Dashboard Widgets
  • Achievement

    Controlling Admin Navigation

    Customizing the WordPress Admin Area

    Achieved

    Mar 22, 2016

    Controlling Admin Navigation
  • Achievement

    Customizing the Login Screen

    Customizing the WordPress Admin Area

    Achieved

    Mar 22, 2016

    Customizing the Login Screen
  • Achievement

    Admin Color Schemes

    Customizing the WordPress Admin Area

    Achieved

    Mar 22, 2016

    Admin Color Schemes
  • Achievement

    HTML First

    How to Make a Website

    Achieved

    Feb 4, 2016

    HTML First
  • Achievement

    Beginning HTML and CSS

    How to Make a Website

    Achieved

    Feb 4, 2016

    Beginning HTML and CSS
  • Achievement

    Custom Post Type Templates

    WordPress Theme Development

    Achieved

    Feb 3, 2016

    Custom Post Type Templates
  • Achievement

    Building Out WordPress Navigation

    WordPress Theme Development

    Achieved

    Feb 2, 2016

    Building Out WordPress Navigation
  • Achievement

    Adding a New Web Page

    Introduction to HTML and CSS (2016)

    Achieved

    Feb 2, 2016

    Adding a New Web Page
  • Achievement

    Building Page Templates in WordPress

    WordPress Theme Development

    Achieved

    Feb 2, 2016

    Building Page Templates in WordPress
  • Achievement

    The WordPress Loop

    WordPress Theme Development

    Achieved

    Feb 2, 2016

    The WordPress Loop
  • Achievement

    Make It Beautiful with CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Feb 1, 2016

    Make It Beautiful with CSS
  • Achievement

    HTML: The Structural Foundation of Web Pages and Applications

    Introduction to HTML and CSS (2016)

    Achieved

    Feb 1, 2016

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

    Getting Familiar with HTML and CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Feb 1, 2016

    Getting Familiar with HTML and CSS
  • Achievement

    WordPress Header and Footer Templates

    WordPress Theme Development

    Achieved

    Feb 1, 2016

    WordPress Header and Footer Templates
  • Achievement

    Working with CSS and JS in WordPress Themes

    WordPress Theme Development

    Achieved

    Jan 31, 2016

    Working with CSS and JS in WordPress Themes
  • Achievement

    Starting a WordPress Theme

    WordPress Theme Development

    Achieved

    Jan 31, 2016

    Starting a WordPress Theme
  • Achievement

    Keyframe and Line Drawing Animations

    Animating SVG with CSS

    Achieved

    Dec 4, 2015

    Keyframe and Line Drawing Animations
  • Achievement

    CSS Animation Basics

    CSS - Beyond the Basics

    Achieved

    Dec 2, 2015

    CSS Animation Basics
  • Achievement

    Transitions and Transforms

    Animating SVG with CSS

    Achieved

    Nov 12, 2015

    Transitions and Transforms
  • Achievement

    Understanding CSS Transitions and Transforms

    CSS - Beyond the Basics

    Achieved

    Oct 26, 2015

    Understanding CSS Transitions and Transforms
  • Achievement

    Understanding Flexbox and Multi-Column Layout

    CSS - Beyond the Basics

    Achieved

    Oct 20, 2015

    Understanding Flexbox and Multi-Column Layout
  • Achievement

    JavaScript Conditional Statements

    JavaScript Basics (Retired)

    Achieved

    Oct 11, 2015

    JavaScript Conditional Statements
  • Achievement

    JavaScript Numbers

    JavaScript Basics (Retired)

    Achieved

    Oct 10, 2015

    JavaScript Numbers
  • Achievement

    JavaScript Variables

    JavaScript Basics (Retired)

    Achieved

    Oct 10, 2015

    JavaScript Variables
  • Achievement

    Introducing JavaScript

    JavaScript Basics (Retired)

    Achieved

    Oct 9, 2015

    Introducing JavaScript
  • Achievement

    Newbie

    Achieved

    Oct 9, 2015

    Newbie