Remove all videos from YouTube Watch Later playlist

script.js

/*
  go to https://www.youtube.com/playlist?list=WL&disable_polymer=true
  or any other YouTube playlist - but make sure to be on the old interface
  scroll all the way to the bottom and load in all playlist items
  then open up the developer console (Ctrl + Shift + I)
  and paste the following snippet
*/

(async () => {
	for (const e of $$('.pl-video-edit-remove')) {
		e.click();
		await new Promise(res => setTimeout(res, 700));
	}
  
  alert('Done!');
})()