Overview What You Will Learn Curriculum Instructor

Course Overview

The HTML5 Canvas element, combined with JavaScript , is a powerful tool for creating interactive web applications such as drawing tools, games, and visualizations. Learning how to build a paint/drawing app using these technologies not only enhances your understanding of core web development skills but also introduces you to graphics programming on the web. With user interfaces increasingly incorporating interactive visual elements, mastering HTML5 Canvas and JavaScript empowers developers to create dynamic, responsive, and engaging applications that go beyond static pages.

This course begins with an overview of the drawing app’s algorithm, providing a conceptual framework for how the application functions. You will then build the app's HTML5 structure, including meta tags, toolbars, color pickers, and other UI components. Styling follows next, where you’ll use CSS3 to refine the look and feel of the app. The course then dives into JavaScript fundamentals such as variables, loops, conditionals, functions, arrays, and DOM manipulation—skills crucial for making the app interactive. After that, you’ll explore the basics of the HTML5 Canvas API, learning to draw shapes, lines, and arcs. Finally, you’ll apply JavaScript to bring the app to life, programming tools like the brush, eraser, color and size pickers, reset, and save functionalities.

By the end, you'll have a fully functional paint app and a deeper understanding of web-based graphics and interactivity.

What You Will Learn

  • How to create the HTML5 structures of this app.
  • How to make the app pretty with CSS (design, design, design!) and last but never the least
  • How to make the app work (draw on the canvas) with logic and algorithm, i.e., JavaScript.
  • Basic concepts of JavaScript and HTML5 canvas (concepts related to this project).

Program Curriculum

  • Algorithm of the Game App
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  • Chapter 1 Quiz

  • Create Skeleton of the HTML5 Code
  • Add Meta Tags
  • Create the Toolbar's Skeleton
  • Create the Color Input Box
  • Create the Range Input Slider
  • Create the Brush, Erase, Reset, and Save Button and the Drawing Canvas
  • Chapter 2 Quiz

  • CSS Basics – Link Tag, Selector, and Comments
  • CSS3 Properties - Box Sizing and User Select Settings
  • Style the Drawing Canvas
  • Style the Toolbar – Part 1
  • Style the Toolbar – Part 2
  • Style the Toolbar – Part 3
  • Style the Color Change Tool – Part 1
  • Style the Color Change Tool – Part 2
  • Style the Size Change Tool
  • Style the Remaining Tools/Buttons – Part 1
  • Style the Remaining Tools/Buttons – Part 2
  • Chapter 3 Quiz

  • Connecting HTML and Script/JS Files
  • An Introduction to Variables and Assigning Values
  • Mathematical Operators and Alerts
  • Conditional Statements - If Else Statement
  • Conditional Statements - Switch Case
  • Loops - For Loop
  • Arrays - 1 Dimensional Arrays
  • Arrays - 2 Dimensional Arrays
  • An Introduction to Functions (Function Definition and Calls)
  • Intro to DOM - getElementById and InnerText
  • Intro to DOM - Adding Click Events to Buttons
  • More Event Listeners – Part 1
  • More Event Listeners – Part 2
  • Chapter 4 Quiz

  • Step 1 and 2 – Getting the Canvas and Creating the Drawing Object
  • Drawing a Line (Also Explanation on Canvas Dimensions and Pixel Points)
  • Drawing and Coloring a Shape with Poly Lines (A Path)
  • Drawing and Coloring a Circle and Arcs
  • Chapter 5 Quiz

  • Initializing Variables and Conditions – Part 1
  • Initializing Variables and Conditions – Part 2
  • Make the Brush Work - Brush Button Click Event and Function
  • Make the Brush Work - Mouse Down Event – Part 1
  • Make the Brush Work - Mouse Down Event – Part 2
  • Make the Brush Work - Mouse Down Event – Part 3
  • Make the Brush Work - Draw on Mouse Drag
  • Make the Brush Work - Mouse up Event
  • Make the Eraser Work
  • Make the Color Change Tool Work
  • Make the Size Change Tool Work
  • Make the Reset Button Work
  • Make the Save Button Work
  • Add Default Conditions for When the App Loads
  • Chapter 6 Quiz
Load more modules

Instructor

Aarthi Elumalai

Aarthi Elumalai is a programmer, educator, entrepreneur, and innovator. She has a Bachelor of Engineering degree in Computer Science from Anna University, Chennai. Since then, she has managed a team of programmers and worked with 100s of clients. She is also launched a dozen web apps, plugins and software that are being used by thousands of customers online. She has over 15 years of experience in programming. She started coding in Basics at the age of 12, but her love for programming took root when she came across C programming at the age of 15. Her courses are well-received by the masses, and she has a student base of over 100,000 students from all over the world. Her courses and books always come with hands-on training in creating real-world projects using the knowledge learned so her students get better equipped for the real world.

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