Reduce YouTube Music volume below 5%

YouTube Music Volume Reducer.js

javascript:(function(){
  window.__iwm = true;
  const e = document.querySelector("#movie_player > div.html5-video-container > video");
  const v = e.volume;
  const n = v < 0.015 ? 0.05 : v - 0.01;
  e.volume = n;
  if (!window.__kv) {
    console.clear();
    e.addEventListener("volumechange", function(){
      document.querySelector("#movie_player > div.html5-video-container > video").volume = window.__kv;
      console.log(window.__kv.toFixed(2),window.__iwm);
      window.__iwm = false;
      document.querySelector("#placeholder").innerText = "Search " + window.__kv.toFixed(2);
    });
  }
  window.__kv = n;
})();