Delete all your youtube comments automatically

delete_youtube_comments.js

//
// ENSURE that you are on your own page 
// https://myactivity.google.com/page?hl=en&pli=1&page=youtube_comments
//
// Wait for the page to fully load, and than copy / paste this script 
// into the console.
//
// There are two variables that you can change, SLEEP_FOR and CLICK_DELAY
// --> SLEEP_FOR: Min,Max timeout before scrolling down
// --> CLICK_DELAY: Min,Max timeout between clicking the element
// --> COMMENTS_TIMEOUT: Ammount of times 0 comments can be found before we stop
// 
(async() => {
    const SLEEP_FOR = [1000, 2000];
    const CLICK_DELAY = [350, 1000];
    const COMMENTS_TIMEOUT = 3; // -- Ammount of times 0 comments can be found before we stop



    // -- Map to store the comments that we've already deleted
    const comments = new Map();
    let zero_comments_count = 0;

    // -- Function used to return all the coments that you've made
    //    without returning duplicates
    const get_comments = () => { 
        // -- Get all the comments on the page
        const new_comments = Array.from(document.querySelectorAll('[data-show-delete-individual="true"'));

        // -- Ensure that we arent returning duplicates
        const unique = new_comments.filter((item) => !comments.has(item));

        // -- If we have 0 comments, increment the zero comments count
        if (unique.length === 0) zero_comments_count++;
        else zero_comments_count = 0;

        // -- Add the reply content to the map
        unique.forEach((item) => comments.set(item, false));

        // -- Return the unique reply content
        return unique;
    };



    // -- Simple sleep function
    const sleep = (min_max) => new Promise((resolve) => {
        const min = min_max[0], max = min_max[1];
        const time = Math.floor(Math.random() * (max - min + 1)) + min;
        setTimeout(resolve, time);
    });



    // -- Progresses down the page and deletes all the content
    let deleted = 0;
    const step = async() => {
        // -- Get comments
        const new_comments = get_comments();

        // -- Delete all the content
        for (const item of new_comments) {

            // -- Click the x button: button
            const delete_btn = item.querySelector('button');
            if (!delete_btn) continue;

            // -- Click the more button
            delete_btn.click();
            deleted++;
            await sleep(CLICK_DELAY);
        }

        // -- Scrolls down the page
        window.scrollTo(0, document.body.scrollHeight);
    }
    



    // -- Run the step function every 2 seconds
    while (true) {
        await step();
        await sleep(SLEEP_FOR);

        // -- If there are no more comments left, exit the loop
        if (zero_comments_count === COMMENTS_TIMEOUT) break;
    }

    console.log(`Delted ${deleted} comments`);
})();

Note: This also works with Community Posts and Live chats, make sure you dont close out of the page till you see the 'No activity.' graphic.