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                        /前端開(kāi)發(fā)
                        
                            /Html5
                        
                        /炫麗的倒計(jì)時(shí)效果Canvas繪圖與動(dòng)畫基礎(chǔ)

不知大跟著老師敲得代碼哪里錯(cuò)了，求解答

不知道這個(gè)代碼哪里有問(wèn)題，求解答

<!DOCTYPE?html>
<html>
<head>
<meta?charset="utf-8">
????<title></title>
</head>
<body>
<canvas?id="canvas"?style="boder:1px?solid?#aaa;display:block;margin:50px?auto;">
????當(dāng)瀏覽器不支持Canvas，請(qǐng)更換瀏覽器后再試
</canvas>
<script?type="text/javascript">
????var?tangram={
????????{p:[{x:0,y:0},{x:800,y:0},{x:400,y:400}],color:"#caff67"},
????????{p:[{x:0,y:0},{x:400,y:400},{x:0,y:800}],color:"#67beef"},
????????{p:[{x:800,y:0},{x:800,y:400},{x:600,y:600},{x:600,y:200}],color:"#ef3d61"},
????????{p:[{x:600,y:200},{x:600,y:600},{x:400,y:400}],color:"#f9f5la"},
????????{p:[{x:400,y:400},{x:600,y:600},{x:400,y:800},{x:200,y:600}],color:"#a594c0"},
????????{p:[{x:200,y:600},{x:400,y:800},{x:0,y:800}],color:"#fa8ecc"},
????????{p:[{x:800,y:400},{x:800,y:800},{x:400,y:800}],color:"#f6ca29"},
????}
????window.onload=function(){
????????var?canvas=document.getElementById("canvas");

????????canvas.width=800;
????????canvas.height=800;

????????var?context=canvas.getContext("2d");
????????for(var?i=0;i<tangram.length;i++){
????????????draw(tangram[i],context);
????????}
????????function?draw(piece,cxt){
????????????cxt.beginPath();
????????????cxt.moveTo(piece.p[0].x,piece.p[0].y);
????????????for(var?i=1;i<piece.p.length,i++);
????????????????cxt.lineTo(piece.p[i].x,piece.p[i].y);
????????????cxt.closePath();

????????????cxt.fillStyle=piece.color;
????????????cxt.fill();
????????????
????????????cxt.strokeStyle="black"
????????????cxt.lineWidth=3;
????????????cxt.stroke();

????????}
????}
</script>
</body>
</html>