<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Semantic HTML Example</title>// Get canvas and context
const canvas = document.getElementById('myCanvas');
const ctx = canvas.getContext('2d');
// 1. Basic shapes
// Rectangle (filled)