尝试检测浏览器关闭事件 [英] Trying to detect browser close event

问题描述

我试过很多方法，通过的jQuery或JavaScript来检测浏览器关闭事件。但不幸的是，我一直没能检测到接近。在 onbeforeunload 和 onunload的方法也无法正常工作。

I have tried many methods to detect browser close event through jQuery or JavaScript. But, unfortunately, I have not been able to detect the close. The onbeforeunload and onunload methods are also not working.

如何检测窗口关闭，卸载或 beforeunload 事件？

How do I detect the window close, unload, or beforeunload events?

推荐答案

你有没有试过这种code？

Have you tried this code?

window.onbeforeunload = function (event) {
    var message = 'Important: Please click on \'Save\' button to leave this page.';
    if (typeof event == 'undefined') {
        event = window.event;
    }
    if (event) {
        event.returnValue = message;
    }
    return message;
};

$(function () {
    $("a").not('#lnkLogOut').click(function () {
        window.onbeforeunload = null;
    });
    $(".btn").click(function () {
        window.onbeforeunload = null;
});
});

第二个功能是可选的，以避免同时点击 #lnkLogOut 和 .btn 元素提示。

还有一件事，自定义提示将无法工作在Firefox（甚至在最新的版本也可以）。有关它的更多详细信息，请访问这个线程。

One more thing, The custom Prompt will not work in Firefox (even in latest version also). For more details about it, please go to this thread.

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