在某个论坛游荡的时候，看到一个笑脸图样，就用canvas写了一个，代码如下
<html lang="en-US">
<canvas id=myCanvas width=200px height=200px></canvas>
<script>
var myCanvas = document.getElementById("myCanvas");
var context = myCanvas.getContext("2d");
context.strokeStyle = "blue";
context.lineWidth = 5;
context.strokeRect(0,0,200,200);
//context.closePath();
//context.beginPath();
context.strokeStyle = "red";
context.lineWidth = 2;
context.arc(100,100,60,0,2*Math.PI,true);
context.moveTo(140,100);
context.arc(100,100,40,0,Math.PI,false);
context.moveTo(85,80);
context.arc(80,80,5,0,2*Math.PI,true);
context.moveTo(125,80);
context.arc(120,80,5,0,2*Math.PI,true);
context.stroke();
</script>
</html><
