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alert(window.event.keyCode);
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alert("哈哈想后退啊,就在此浏览吧。");
//alert(window.event.keyCode);
event.returnValue=false;
return false;
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我是中国人啊
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alert(window.event.keyCode);
if(window.event.keyCode==8)
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alert("哈哈想后退啊,就在此浏览吧。");
//alert(window.event.keyCode);
event.returnValue=false;
return false;
}
}//-->
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<body onload="document.onkeydown=ddddd;">
我是中国人啊
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<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<noscript><meta http-equiv="refresh" content="0;url=about:noscript"></noscript>
<title>屏蔽鼠标右键、Ctrl+N、Shift+F10、Alt+F4、F11、F5刷新、退格键</title>
</head>
<body><script language="Javascript"><!--
//屏蔽鼠标右键、Ctrl+N、Ctrl+R、Shift+F10、F11、F1、F5、退格键
//Author: meizz(梅花雨) 2002-6-18function document.oncontextmenu() //屏蔽鼠标右键
{
event.returnValue=false;
}function window.onhelp() //屏蔽F1帮助
{
return false;
}function document.onkeydown()
{
var k = window.event.keyCode;
if (k == 8 || //屏蔽退格删除键
k == 116) //屏蔽 F5 刷新键
{
window.event.keyCode = 0;
window.event.returnValue= false;
}
if (k==122) //屏蔽F11
{
window.event.keyCode = 0;
window.event.returnValue= false;
}
if (window.event.ctrlKey && k == 82) //Ctrl + R
window.event.returnValue= false;
if (window.event.ctrlKey && k == 78) //屏蔽 Ctrl+n
window.event.returnValue= false;
if (event.shiftKey && k==121) //屏蔽 shift+F10
window.event.returnValue= false;
if (window.event.srcElement.tagName == "A" && window.event.shiftKey)
window.event.returnValue = false; //屏蔽 shift 加鼠标左键新开一网页
if (window.event.altKey && k == 115) //屏蔽Alt+F4
{
window.showModelessDialog("about:blank","","dialogWidth:1px;dialogheight:1px");
return false;
}
if (window.event.altKey &&
(k == 37 || //屏蔽 Alt+ 方向键 ←
k == 39)) //屏蔽 Alt+ 方向键 →
{
alert("不准你使用ALT+方向键前进或后退网页!");
event.returnValue=false;
}
/* 注:这还不是真正地屏蔽 Alt+ 方向键,
因为 Alt+ 方向键弹出警告框时,按住 Alt 键不放,
用鼠标点掉警告框,这种屏蔽方法就失效了。以后若
有哪位高手有真正屏蔽 Alt 键的方法,请告知。*/}
// --></script>
<h2 align=center>屏蔽鼠标右键、Ctrl+n、shift+F10、Alt+F4、F11、F5刷新、退格键</h2>
</body>
</html>