实例41.屏蔽ctrl+n键.html

JSP网页中用到的JavaScript特效

<script language="javascript"> 
<!-- 
function document.onkeydown() 
{ 
if (event.ctrlKey && event.keyCode==78)      // 屏蔽Ctrl+N键 
{
alert("已经屏蔽Ctrl+N键!"); 
event.keyCode=0; 
event.returnValue=false; 
} 
} 
--> 
</script>