ctx.fillRect(40, 40, 200, 120);
ctx.beginPath();
ctx.arc(, , , 0, 2 * Math.PI, false);
ctx.clip();
ctx.fillRect(80, 200, 280, 160);
A rectangle is drawn on the <canvas> before a circular clipping region is created. Then a second rectangle is drawn after the clipping region is created.
Outline the clipping region