复制代码 代码如下:
<!DOCTYPE html>
<html>
<head>
<script>
function closeIt()
{
return "Any string value here forces a dialog box to \n" +
"appear before closing the window.";
}
window.onbeforeunload = closeIt;
</script>
</head>
<body>
<a href="https://www.jb51.net">Click here to navigate to
www.jb51.net</a>
</body>
</html>
兼容FF,IE,Chrome的js离开或刷新页面检测,关键的部分是要有return
<!DOCTYPE html>
<html>
<head>
<script>
function closeIt()
{
return "Any string value here forces a dialog box to \n" +
"appear before closing the window.";
}
window.onbeforeunload = closeIt;
</script>
</head>
<body>
<a href="https://www.jb51.net">Click here to navigate to
www.jb51.net</a>
</body>
</html>
兼容FF,IE,Chrome的js离开或刷新页面检测,关键的部分是要有return
标签：
js,刷新页面
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