<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
</head>
<body>
<img src="IE.png" id="image" style="width:25px;height:25px;">
<script>
// 設置延時保證圖片加載完成
setTimeout(function() {
var
real_width,
real_height,
_im = document.getElementById('image'),
im = document.createElement('img');
im.src = _im.src,
real_width = im.width,
real_height = im.height;
alert(real_width+'/n'+real_height);
},500);
</script>
</body>
</html>
