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本文转自博客园执着的笨蛋的博客，原文链接：close window，如需转载请自行联系原博主。
close window
----------------例子1------------
代码：
<script>
window.onbeforeunload = function()
{
alert("111222");
var n = window.event.screenX - window.screenLeft;
var b = n > document.documentElement.scrollWidth-20;
if(b && window.event.clientY < 0 || window.event.altKey)
{
window.event.returnValue = "";
}
}
</script>
<!-- 方法2
<script language=javascript>
window.onbeforeunload = function()
{
if(event.clientX>document.body.clientWidth&&event.clientY<0||event.altKey)
{
window.event.returnValue = "";
}
}
</script>
-->
<!-- 方法3
如何让IE6.0右上角的“关闭”按钮失效？
实例1即可实现。
-----------------------------------
<script language=javascript>
window.onbeforeunload = function()
{
if(event.clientX>document.body.clientWidth&&event.clientY<0||event.altKey)
{
window.event.returnValue = "";
}
}
</script>
2----------------------
没有关闭按扭
window.open("","","fullscreen=3")
3----------------------
屏蔽alt+f4
if (window.event.altKey && k == 115){
return false;
}
将1.复制到WEB页面中任何位置即可。J)育)kI{t育|1WRd%1
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-->
----------------例子2------------
代码：
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title>Confirm Before Leave</title>
<script language="javascript" type="text/javascript"><!--
var pb_strConfirmCloseMessage;
var pb_blnCloseWindow = false;
pb_strConfirmCloseMessage ="您真的要离开本页吗?";
function ConfirmClose() {
window.event.returnValue = pb_strConfirmCloseMessage;
pb_blnCloseWindow = true;
}
function ShowConfirmClose(blnValue) {
if(blnValue) {
document.body.onbeforeunload = ConfirmClose;
} else {
document.body.onbeforeunload = null;
}
}
//-->
</script>
</head>
<body onload="ShowConfirmClose(true);">
<input type=button value="提示" onclick="ShowConfirmClose(true);">
<input type=button value="不提示" onclick="ShowConfirmClose(false);">
<input type=button value="测试刷新" onclick="window.location.reload();">
</body>
</html>
----------------例子3------------
代码：
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<OBJECT id=closes type="application/x-oleobject" classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
<param name="Command" value="Close">
</object>
</head>
<body>
<p align="center"><font size="6">
<input type="button" value="CLOSE" onclick="closes.Click();">
</font></p>
</body>
</html>
----------------例子4------------
代码：
<script language="javascript">
g_blnCheckUnload = true;
function RunOnBeforeUnload() {
if (g_blnCheckUnload) {window.event.returnValue = 'You will lose any unsaved content';
}
}
</script>
<body onbeforeunload="RunOnBeforeUnload()">
</body>
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