Remove all videos from YouTube playlist (including watch later).

Clear YouTube Playlist.md

Clear YouTube Playlist

1. Follow this specific YouTube link.
2. Select playlist.
3. Open developer console.
4. Paste code into console.

setInterval(function () {
  document.querySelector('#primary button[aria-label="Action menu"]').click();
  var things = document.evaluate(
    '//span[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);

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Credit to astamicu & JanTheDeveloper.