unlike-all-youtube.js

function sleep(ms) { 
  return new Promise(resolve => setTimeout(resolve, ms)); 
}
async function deleteLiked() {
  var menus = $('body').getElementsByClassName("dropdown-trigger")
  for (var i = 0; i < menus.length; i++) {
    if (i >= 2) {
      var menu = menus[i];
      menu.children[0].click();
      const timeout = setTimeout(() => {
        $('body').getElementsByClassName("ytd-menu-popup-renderer")[4].click()
      }, 300);
      await sleep(300);
      clearTimeout(timeout);
    }
  }
}
deleteLiked();