[英]Detect Facebook App Canvas Unloaded
I need to detect that a user unloads my Facebook app (navigates to somewhere else or logs out of Facebook). 我需要检测到用户正在卸载我的Facebook应用程序(导航到其他地方或注销了Facebook)。 How can this be done?
如何才能做到这一点? I have tried:
我努力了:
FB.Event.subscribe('auth.logout', function(response) {
console.log('logged out');
});
But this never fires :( 但这永远不会触发:(
why not try to listen to the window unload event rather than using the Facebook API: 为什么不尝试监听窗口卸载事件而不是使用Facebook API:
window.addEventListener('unload', function(event) {
console.log('Bye bye!');
});
This should catch the situations you need 这应该可以满足您的需求
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