W3School TIY
编辑您的代码：
<html> <head> <style> img { filter:xray() } </style> <script type="text/javascript"> function getFilter() { document.getElementById('myImage').style.filter="xray()" } function noFilter() { document.getElementById('myImage').style.filter=false } </script> </head> <body> <p>本例演示 xray 滤镜：</p> <p>请把图像移动到下面的图像上：</p> <img id="myImage" src="../i/eg_landscape.jpg" onmouseover="noFilter()" onmouseout="getFilter()" /> </body> </html>
查看结果: