OBIto
OBIto
  • 发布:2014-10-05 22:36
  • 更新:2014-10-05 22:36
  • 阅读:1274

这个代码有什么问题?

分类:HBuilder

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>书上例子的实践</title>
<script language="JavaScript" type="text/javascript">
function Addzhi3()
{
var canvas = document.getElementById("addzhi3");
if(canvas && canvas.getContext("2d"))
{
var context = canvas.getContext("2d");
context.beginPath();
context.lineWidth=3;
context.moveTo(160,50);
context.lineTo(50,100);
context.lineTo(160,185);
context.fillStyle="red";
context.fill();
}
}
window.addEventListener("load",Addzhi3(),true);

    </script>  
</head>  
<body>  
 <canvas height="200" width="170" id="addzhi3"></canvas>  
</body>  

</html>

2014-10-05 22:36 负责人:无 分享
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