How to remove (unlike) all liked videos on youtube, June, 2023

remove-all-youtube-liked-videos.js

/*
* inspired by https://gist.github.com/astamicu/eb351ce10451f1a51b71a1287d36880f
* modified to remove all liked Youtube videos and to work with Youtube as of June 2023
*/


setInterval(function () {
    videos = document.getElementsByTagName('ytd-playlist-video-renderer');
  // when a video is removed, the tag gets an 'is-dimissed' attribute, which tripped the original script
    var notDismissedIndex = 0;
    video = videos[notDismissedIndex];
    while(video.hasAttribute('is-dismissed')) {
    	notDismissedIndex++;
    	video = videos[notDismissedIndex]
    }

    video.querySelector('#primary button[aria-label="Action menu"]').click();

    var things = document.evaluate(
        '//yt-formatted-string[contains(text(),"Remove from")]',
        document,
        null,
        XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,
        null
    );
    
    for (var i = 0; i < things.snapshotLength; i++) 
    {
        things.snapshotItem(i).click();
    }
}, 1000);