<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title> 사각형 그리기 </title> <script type="text/javascript"> function rect() { var canvas = document.getElementById('canvas'); context = canvas.getContext('2d'); context.strokeRect(10,10,200,200); context.fillRect(220,10,200,200); context.fillRect(430,10,200,200); context.clearRect(500,50,100,100); } </script> </head> <body onload="rect();"> <canvas id="canvas" width="700" height="400" style="border:solid 1px #000000">canvas 사용하기</canvas> </body> </html>