方法一使用脚本:
<script type="text/javascript">
var ht = document.getElementsByTagName("body")[0];
ht.style.filter = "progid:DXImageTransform.Microsoft.BasicImage(grayscale=1)";
var ht = document.getElementsByTagName ( "body") [0];
ht.style.filter = "progid: DXImageTransform.Microsoft.BasicImage (grayscale = 1)";
</script>
方法二,使用CSS:
<style>
html{filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);}
</style>
