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Warn/Prevent Back button for Synology DSM

Warns user before going back when browsing on your Synology DSM NAS

当前为 2025-05-30 提交的版本，查看 最新版本。

// ==UserScript==
// @name         Warn/Prevent Back button for Synology DSM
// @version      1.1
// @grant        none
// @license      MIT 
// @match        https://192.168.1.106:5001/*
// @description  Warns user before going back when browsing on your Synology DSM NAS
// @namespace    https://greasyfork.org/users/1476593
// ==/UserScript==

(function() {
    'use strict';

    window.onbeforeunload = function () {
        return 'Are you sure you want to leave?';
    };
})();