Answers for "js hide scrollbars"

css hide scrollbar

// Sass Mixing
@mixin hideScrollbar {
  &::-webkit-scrollbar {
    width: 0 !important
  }
  -ms-overflow-style: none;
  scrollbar-width: none;
}

javascript hide scrollbar

function HideScrollbar() {
  var style = document.createElement("style");
  style.innerHTML = `body::-webkit-scrollbar {display: none;}`;
  document.head.appendChild(style);
}