xxxxxxxxxx<html><head><meta charset="utf-8"><title>W3Cschool教程(w3cschool.cn)</title></head><body><canvas id="myCanvas" width="300" height="150" style="border:1px solid #d3d3d3;">您的浏览器不支持 HTML5 canvas 标签。</canvas><script>var c=document.getElementById("myCanvas");var ctx=c.getContext("2d");ctx.beginPath(); ctx.lineWidth="5";ctx.strokeStyle="green"; // 绿色路径ctx.moveTo(0,75);ctx.lineTo(250,75);ctx.stroke(); // 画 ctx.beginPath();ctx.strokeStyle="purple"; // 紫色的路径ctx.moveTo(50,0);ctx.lineTo(150,130); ctx.stroke(); // 画</script></body></html>