// ==UserScript==
// @name         Disable Pop-ups Button
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  在任意页面添加按钮，点击后禁用 window.open 弹窗行为
// @author       Jack
// @match        *://*/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // 创建按钮
    const button = document.createElement('button');
    button.textContent = "Disable Pop-ups";

    // 按钮样式
    button.style.position = "fixed";
    button.style.top = "12.5%";
    button.style.right = "1%";
    button.style.transform = "translateY(-50%)";
    button.style.padding = "3px 8px";
    button.style.fontSize = "10px";
    button.style.backgroundColor = "#007baf";
    button.style.color = "#fff";
    button.style.border = "none";
    button.style.borderRadius = "5px";
    button.style.cursor = "pointer";
    button.style.zIndex = "10000";

    // 点击事件，覆盖 window.open
    button.addEventListener('click', () => {
        const originalOpen = window.open;
        window.open = function() {
            return originalOpen('', '_self');
        };
        // 可选：点击后提示用户已禁用弹窗
        alert('Pop-ups have been disabled for this page.');
    });

    // 挂载按钮到页面
    document.body.appendChild(button);
})();