fb-unlike-all-pages.js

/**
Go to: https://m.facebook.com/pages/launchpoint/liked_pages
Zoom out a few times to load more items at once.
Paste the following script into console (F12 -> console):
**/
(async function unlikePages() {
    const delay = (ms) => new Promise((resolve) => setTimeout(resolve, ms));
    const processedElements = new Set(); // Track processed elements by their HTML representation

    while (true) {
        // Get all "More options" buttons
        const moreOptionsButtons = Array.from(document.querySelectorAll('[aria-label="More options"]'));

        if (moreOptionsButtons.length === 0) {
            console.log("No more items to process. Exiting...");
            break;
        }

        for (const button of moreOptionsButtons) {
            try {
                // Use the button's outerHTML to deduplicate
                const buttonHTML = button.parentElement.parentElement.innerHTML.trim();
                if (processedElements.has(buttonHTML)) {
                    console.log("Skipping already processed button:", buttonHTML);
                    continue;
                }

                // Click the "More options" button
                button.click();
                processedElements.add(buttonHTML); // Mark as processed using its HTML
                await delay(1000); // Wait for the menu to open

                // Find the "Unlike" menu item
                const unlikeButton = document.querySelector('[aria-label*="Menu with options to manage this activity"]');
                if (unlikeButton) {
                    unlikeButton.querySelector('[role="menuitem"]').click();
                    console.log("Unliked an item.");
                    break; // Exit the loop after processing one item so we can reevaluate the page
                } else {
                    console.log("No 'Unlike' option found for this item.");
                }
            } catch (error) {
                console.error("Error processing an item:", error);
            }
        }

        // Wait a moment and reevaluate the page for new items
        await delay(1500);
    }
})();