<!DOCTYPE html> <html> <body> <canvas id="output" width="100" height="100"></canvas> <script> var canvas = document.getElementById('output'); var ctx = canvas.getContext('2d'); ctx.fillStyle = 'yellow'; ctx.fillRect(10, 10, 50, 50); ctx.fillStyle = 'magenta'; ctx.fillRect(20, 20, 50, 50); ctx.strokeStyle = 'cyan'; ctx.moveTo(40, 0); ctx.reset(); ctx.lineWidth = 10; ctx.lineTo(0, 40); ctx.stroke(); ctx.fillRect(30, 30, 20, 20); </script> </body> </html>