相关疑难解决方法(0)

在我的聊天应用程序中,当我的应用程序关闭时,我需要得到用户的确认.

所以我使用了window.onbeforeunload确认警报和window.onunloadlogout().

1. 但这两个功能都在IE和Chrome中运行.(应用程序运行正常)

2. window.onbeforeunload 没有在Opera工作,我的消息将不会在Firefox中显示.

3. window.onunload 不适用于Safari,Opera和Firefox.

我的javaScript代码将是,

// Used for confirmation , to closing the window 
window.onbeforeunload = function () {

    return  "Are you sure want to LOGOUT the session ?";
}; 

// Used to logout the session , when browser window was closed 
window.onunload = function () {

    if((sessionId != null)&&(sessionId!="null")&& (sessionId != ""))
        logout();
};

我也尝试了与JQuery相同的功能,

<script type="text/javascript">

    $(window).on('beforeunload', function() {
        return 'Are you sure want to LOGOUT the session ?';
    });

    $(window).unload(function() …