johnny-b-good

function EventBus(props) {
    this.bus = document.createElement('fakeelement');

    this.addEventListener = function(event, callback) {
        this.bus.addEventListener(event, callback);
    };

    this.removeEventListener = function(event, callback) {
        this.bus.removeEventListener(event, callback);
    };

johnny-b-good

  .no-scroll {
    overflow-x: scroll;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none;  /* IE 10+ */
  }

  .no-scroll::-webkit-scrollbar { /* WebKit */
    width: 0;
    height: 0;
  }