Facebook PageTitle updater

Extract name, location, and username from Facebook profile pages and update the title
当前为 2025-01-02 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         Facebook PageTitle updater
// @version      1.0
// @description  Extract name, location, and username from Facebook profile pages and update the title
// @match        https://www.facebook.com/*
// @grant        none
// @namespace https://gf.qytechs.cn/users/1409709
// ==/UserScript==

(function() {
    'use strict';

    // Function to extract name, location, and username
    function extractInfo() {
        // Extract name
        const nameElement = document.querySelector('h1.html-h1');
        let name = '';
        if (nameElement && nameElement.textContent) {
            name = nameElement.textContent.trim();
            console.log('Name:', name);
        }

        // Extract "Lives in" location
        const livesInElement = Array.from(document.querySelectorAll('div[role="main"] span[dir="auto"]')).find(el => el.textContent.includes('Lives in'));
        let livesIn = '';
        if (livesInElement) {
            const livesInLocation = livesInElement.querySelector('a span');
            if (livesInLocation && livesInLocation.textContent) {
                livesIn = livesInLocation.textContent.trim();
                console.log('Lives in:', livesIn);
            }
        }

        // Extract "From" location
        const fromElement = Array.from(document.querySelectorAll('div[role="main"] span[dir="auto"]')).find(el => el.textContent.includes('From'));
        let from = '';
        if (fromElement) {
            const fromLocation = fromElement.querySelector('a span');
            if (fromLocation && fromLocation.textContent) {
                from = fromLocation.textContent.trim();
                console.log('From:', from);
            }
        }

        // Extract username from URL
        const url = window.location.href;
        let username = '';
        const usernameMatch = url.match(/facebook\.com\/([^/?&]+)/);
        if (usernameMatch && usernameMatch[1] && !usernameMatch[1].includes('profile.php')) {
            username = usernameMatch[1];
            console.log('Username:', username);
        }

        // Update the title
        const titleElement = document.querySelector('title');
        if (titleElement) {
            // Only keep the "Facebook" part of the original title
            let newTitle = 'Facebook';
            // Append name
            if (name) {
                newTitle += ` - ${name}`;
            }
            // Append "Lives in" location only if it exists
            if (livesIn) {
                newTitle += ` - Lives in ${livesIn}`;
            }
            // Append "From" location only if it exists
            if (from) {
                newTitle += ` - From ${from}`;
            }
            // Append username only if it exists
            if (username) {
                newTitle += ` - ${username}`;
            }
            titleElement.textContent = newTitle;
            console.log('Title:', newTitle);
        }
    }

    // Function to monitor URL changes
    function monitorURLChanges() {
        let lastURL = window.location.href;

        setInterval(() => {
            const currentURL = window.location.href;
            if (currentURL !== lastURL) {
                lastURL = currentURL;
                extractInfo();
            }
        }, 1000);
    }

    // Run the function when the page is fully loaded
    window.addEventListener('load', () => {
        extractInfo();
        monitorURLChanges();
    });
})();
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