<!DOCTYPE html>
<html>
<body>
<h1>HTML5 Canvas</h1>
<h2>The rect() Method</h2>
<canvas id="myCanvas" width="300" height="150" style="border:1px solid grey"></canvas>
<script>
const c = document.getElementById("myCanvas");
const ctx = c.getContext("2d");
ctx.beginPath();
ctx.lineWidth = "6";
ctx.strokeStyle = "red";
ctx.rect(5, 5, 290, 140);
ctx.stroke();
ctx.beginPath();
ctx.lineWidth = "4";
ctx.strokeStyle = "green";
ctx.rect(30, 30, 50, 50);
ctx.stroke();
ctx.beginPath();
ctx.lineWidth = "10";
ctx.strokeStyle = "blue";
ctx.rect(50, 50, 150, 80);
ctx.stroke();
</script>
</body>
</html>