JavaScript Drawing App | Build a Canvas Paint App from Scratch

Build a full-featured Drawing App using JavaScript & HTML Canvas.
Create shapes, draw freely, undo/redo, and save artwork — all in the browser.
A portfolio-ready Canvas API project using pure JavaScript.

🎨 Project Overview
In this tutorial, you’ll build an Advanced Drawing / Paint App using
HTML, CSS, and Vanilla JavaScript, powered by the HTML5 Canvas API.

This project simulates a real-world drawing tool like:
Paint apps
Whiteboard tools
Diagram editors
Canvas-based design systems

🧠 What You’ll Learn
How the HTML Canvas API works
Freehand drawing with mouse events
Drawing shapes (rectangle, circle, triangle, polygon)
Undo & redo using canvas state
Dynamic color & brush size tools
Saving canvas drawings as images

⏱️ TIMESTAMPS (Outcome-Based)
00:00 – Drawing App Demo
03:40 – Project Setup
04:26 – Canvas UI Structure
12:02 – Styling the Drawing Tools
26:30 – JavaScript Canvas Setup
30:45 – Tool Selection Logic
34:16 – Freehand Drawing
41:24 – Brush & Shadow Effects
42:20 – Undo / Redo System
46:46 – Shape Drawing (Rect, Circle, Triangle)
52:48 – Polygon & Line Tools
59:45 – Color Picker Logic
01:01:46 – Clear Canvas
01:02:33 – Save Drawing as Image
01:04:14 – Final Testing

📂 Check out the source code for this project on GitHub!
👉 [https://github.com/codehuntersharath/...]
If you find this project helpful in your JavaScript learning, make sure to ⭐ star the repository to show your support!

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This project is perfect if you’re:
• Learning JavaScript browser APIs
• Building frontend portfolio projects
• Preparing for interviews
• Exploring Web APIs

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