判斷瀏覽器是否支持canvas,具體代碼如下:
代碼如下:
<!DOCTYPE html>
<head>
<meta charset=utf-8 />
<title>canvas</title>
<script type='text/javascript'>
window.onload = function(){
/**判斷瀏覽器是否支持canvas**/
try{
document.createElement('canvas').getContext('2d');
var addDiv = document.createElement('div');
addDiv.innerHTML='支持canvas';
document.body.appendChild(addDiv);
}catch(e){
var addDiv = document.createElement('div');
addDiv.innerHTML='瀏覽器不支持canvas';
document.body.appendChild(addDiv);
}
};
</script>
</head>
<body>
</body>
</html>