源代码 ：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>开源教程(ossoft.cn)</title> </head> <body> <canvas id="myCanvas">你的浏览器不支持 HTML5 canvas 标签。</canvas> <script> var c=document.getElementById('myCanvas'); var ctx=c.getContext('2d'); ctx.fillStyle='#FF0000'; ctx.fillRect(0,0,80,100); </script> </body> </html>
运行结果