Bulk remove items from YouTube's Watch Later playlist

removeWatchLaterItems.js

// to be run in the browser
// at https://www.youtube.com/playlist?list=WL
// might need a few reruns based on the number of items
function removeWatchLaterItems() {
  const items = Array.from(document.querySelector("div.ytd-playlist-video-list-renderer:nth-child(3)").children);

  for (let i = 0; i < items.length; i++) {
    const item = items[i];

    setTimeout(() => {
      item.querySelector('button').click();
      document.querySelector("ytd-menu-service-item-renderer.style-scope:nth-child(3)").click();
    }, 2000 + i * 500)
  }
}

removeWatchLaterItems();