JavaScript中使用画布实现笑脸火柴人

在这之前，根本不知道JavaScript具体到底有多重要，现在才明白JavaScript也很强大，从网上看了几个js写的网页小游戏，我都惊呆了，以后一定要好好学习js。。。。

<!DOCTYPE html>
<html>
<head>
<title></title>
<script type="text/javascript">
function drawAdidas(){
  var c=document.getElementById('myCanvas');
		var cxt=c.getContext('2d');
		cxt.save();
		cxt.beginPath();
  cxt.arc(100,50,30,0,Math.PI*2,true);
  cxt.fill();
  cxt.beginPath();
  cxt.strokeStyle='#c00';
  cxt.lineWidth=3;
  cxt.arc(100,50,20,0,Math.PI,false);
  cxt.stroke();
  cxt.beginPath();
  cxt.fillStyle="#c00";
  cxt.arc(90,45,3,0,Math.PI*2,true);
  cxt.fill();
  cxt.moveTo(113,45);
  cxt.arc(110,45,3,0,Math.PI*2,true);
  cxt.fill();
  cxt.stroke();
  
  cxt.moveTo(100,80);
  cxt.lineTo(100,150);
  cxt.moveTo(100,100);
  cxt.lineTo(60,120);
  cxt.moveTo(100,100);
  cxt.lineTo(140,120);
  cxt.moveTo(100,150);
  cxt.lineTo(80,190);
  cxt.moveTo(100,150);
  cxt.lineTo(140,190);
  cxt.stroke();
}
 window.addEventListener("load",drawAdidas,true);
</script>
</head>
<body>
<canvas id="myCanvas" width="230" height="200" style="border:1px solid blue">
    Your browser does not support the canvas element.
</canvas>
</body>
</html>