<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>检测浏览器是否支持html5</title>
<style type="text/css">
.myCanvas{
width:200px;
height:200px;
border:1px solid #000;
}
</style>
</head>
<body>
<canvas class="myCanvas">
该浏览器不支持HTML5的画布标记
</canvas>
</body>
</html>
