<!DOCTYPE HTML> <html> <body> <canvas id="myCanvas" width="200" height="100" style="border:1px solid #c3c3c3;"> Your browser does not support the canvas element. </canvas> <script type="text/javascript"> var c=document.getElementById("myCanvas"); var cxt=c.getContext("2d"); cxt.moveTo(20,10); cxt.lineTo(150,50); cxt.lineTo(20,70); cxt.stroke(); </script> </body> </html>
效果圖:javascript