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在 Safari 上的 window.onbeforeunload
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gugod  
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 More options Dec 21 2007, 2:25 am
From: gugod <gugod...@gmail.com>
Date: Thu, 20 Dec 2007 23:25:05 -0800 (PST)
Local: Fri, Dec 21 2007 2:25 am
Subject: 在 Safari 上的 window.onbeforeunload
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onbeforeunload 在 Safari 上的行為不太一樣。IE 與 Firefox 需要設置 event.returnValue ，但
在  Safari 上的需要傳回它：

window.onbeforeunload  = function(event) {
    if (!event) event = window.event; // for IE

    var message = "You have something unsaved.";

    if (is_safari) {
        return message;
    }

    event.returnValue = message;


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bananasims@gmail.com  
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 More options Dec 31 2007, 9:14 am
From: "bananas...@gmail.com" <bananas...@gmail.com>
Date: Mon, 31 Dec 2007 06:14:11 -0800 (PST)
Local: Mon, Dec 31 2007 9:14 am
Subject: Re: 在 Safari 上的 window.onbeforeunload
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除 Opera 外, 我測試過 return 已經可以

On 12月21日, 下午3時25分, gugod <gugod...@gmail.com> wrote:


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