Canvas Circles
<!DOCTYPE html> <html> <body> <canvas id="scene" width="300" height="200" style="border:1px solid #ccc;"></canvas> <script> const ctx = document.getElementById('scene').getContext('2d'); ctx.beginPath(); ctx.arc(100, 100, 60, 0, Math.PI * 2); ctx.fillStyle = '#3b82f6'; ctx.fill(); ctx.strokeStyle = '#1e3a8a'; ctx.lineWidth = 3; ctx.stroke(); </script> </body> </html>