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<html>
<head><title>test</title></head>
<body>
canvas兼容测试
<canvas id="myCanvas">your browser does not support the canvas tag </canvas>
<script language="JavaScript" src="excanvas.js"></script>
<script type="text/javascript">
var canvas=document.getElementById('myCanvas');
if (typeof window.G_vmlCanvasManager!="undefined") {
canvas=window.G_vmlCanvasManager.initElement(canvas);
var ctx=canvas.getContext("2d");
}else {
var ctx=canvas.getContext("2d");
}
//var ctx=canvas.getContext('2d');
ctx.fillStyle='#FF0000';
ctx.fillRect(0,0,400,300);
</script>
</body>
</html>