<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>实现Javascript退出页面弹出对话框</title>
<script type="text/javascript">
function userBrowser(){
var browserName=navigator.userAgent.toLowerCase();
if(/msie/i.test(browserName) && !/opera/.test(browserName)){
return 'IE';
}else if(/firefox/i.test(browserName)){
return 'Firefox';
}else if(/chrome/i.test(browserName) && /webkit/i.test(browserName) && /mozilla/i.test(browserName)){
return 'Chrome';
}else if(/opera/i.test(browserName)){
return 'Opera';
}else if(/webkit/i.test(browserName) &&!(/chrome/i.test(browserName) && /webkit/i.test(browserName) && /mozilla/i.test(browserName))){
return 'Safari';
}else{
return 'unKnow';
}
}
function close(evt) //author: sunlei
{
var browser = document.all?true:false;
var browser = userBrowser();
evt = evt ? evt :(window.event ? window.event : null);
if(browser == 'IE'){//IE浏览器
var n = evt.screenX - window.screenLeft;
var b = n > document.documentElement.scrollWidth-20;
if(evt.clientY<0 || evt.altKey){
alert("是关闭而非刷新");
window.open('http://www.baidu.com');
}
else{
alert("是刷新而非关闭");
}
}else{//火狐浏览器
if(document.documentElement.scrollWidth + document.body.scrollWidth != 0)
alert("是刷新而非关闭");
else{
alert("是关闭而非刷新");
window.open('http://www.baidu.com');
}
}
}
</script>
</head>
<body onunload="close(event);">
<h1>实现Javascript退出页面弹出对话框</h1>
<h2>直接关闭窗口或按F5刷新页面</h2>
</body></html>
<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>实现Javascript退出页面弹出对话框</title>
<script type="text/javascript">
function userBrowser(){
var browserName=navigator.userAgent.toLowerCase();
if(/msie/i.test(browserName) && !/opera/.test(browserName)){
return 'IE';
}else if(/firefox/i.test(browserName)){
return 'Firefox';
}else if(/chrome/i.test(browserName) && /webkit/i.test(browserName) && /mozilla/i.test(browserName)){
return 'Chrome';
}else if(/opera/i.test(browserName)){
return 'Opera';
}else if(/webkit/i.test(browserName) &&!(/chrome/i.test(browserName) && /webkit/i.test(browserName) && /mozilla/i.test(browserName))){
return 'Safari';
}else{
return 'unKnow';
}
}
function close(evt) //author: sunlei
{
var browser = document.all?true:false;
var browser = userBrowser();
evt = evt ? evt :(window.event ? window.event : null);
if(browser == 'IE'){//IE浏览器
var n = evt.screenX - window.screenLeft;
var b = n > document.documentElement.scrollWidth-20;
if(evt.clientY<0 || evt.altKey){
alert("是关闭而非刷新");
window.open('http://www.baidu.com');
}
else{
alert("是刷新而非关闭");
}
}else{//火狐浏览器
if(document.documentElement.scrollWidth + document.body.scrollWidth != 0)
alert("是刷新而非关闭");
else{
alert("是关闭而非刷新");
window.open('http://www.baidu.com');
}
}
}
</script>
</head>
<body onunload="close(event);">
<h1>实现Javascript退出页面弹出对话框</h1>
<h2>直接关闭窗口或按F5刷新页面</h2>
</body></html>
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