W3School TIY
(请在下面的文本框中编辑您的代码,然后单击此按钮测试结果。)
编辑您的代码:
<!DOCTYPE html> <html> <body> <canvas id="myCanvas" width="300" height="150" style="border:1px solid #d3d3d3;"> Your browser does not support the HTML5 canvas tag. </canvas> <script> var c=document.getElementById("myCanvas"); var ctx=c.getContext("2d"); ctx.beginPath(); ctx.moveTo(20,20); ctx.lineTo(20,100); ctx.lineTo(70,100); ctx.closePath(); ctx.stroke(); </script> </body> </html>
查看结果: