阻止弹出窗口打开两次
您好，我的问题如下：我在页面加载时使用音乐播放器打开了一个弹出窗口。 问题是每次加载页面时都会打开弹出窗口。此外，用户应该能够选择是否希望在下次访问该页面时打开音乐播放器。 （在主页上）
<html>
<head>
<title>
testpage music player
</title>
<SCRIPT LANGUAGE="JavaScript">
function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=200,height=250,top=690,left=390');");
}
</script>
</head>
<BODY onLoad="javascript:popUp('http://www.ccc-clan.com/board/popupex.html')">
</body>
</html>
Hi my problem is as follows: I have a popup window opening on pageload with a music player.
The problem is that the popup window opens every time i load the page. Also users are supposed to be able to choose if they want the music player to open the next time they visit the page. (Its on the homepage)
<html>
<head>
<title>
testpage music player
</title>
<SCRIPT LANGUAGE="JavaScript">
function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=200,height=250,top=690,left=390');");
}
</script>
</head>
<BODY onLoad="javascript:popUp('http://www.ccc-clan.com/board/popupex.html')">
</body>
</html>
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在打开之前给您的窗口命名
，检查是否存在具有名称的元素...
http://tech.chitgoks.com/2009/09/11/javascript-check-if-popup-window-exists-using-its-窗口名称/
give your window a name
before the open, check for existence of the element with name...
http://tech.chitgoks.com/2009/09/11/javascript-check-if-popup-window-exists-using-its-window-name/
eval = BAD
问题是这些变量被破坏并且毫无用处。唯一的方法是设置一个窗口打开的会话 cookie。当弹出窗口关闭时，销毁 cookie。
但为什么是音乐呢？所以20世纪90年代
eval = BAD
Problem is these variables get destroyed and it is useless. Only way would be to set a session cookie that the window is open. When the pop up is closed, destroy the cookie.
But why music? So 1990's