Method show

aspnet-samples/AspNetForm/Scripts/bootstrap.esm.js:2448–2464

(relatedTarget)

    return this._isShown ? this.hide() : this.show(relatedTarget);
  }
  show(relatedTarget) {
    if (this._isShown || this._isTransitioning) {
      return;
    }
    const showEvent = EventHandler.trigger(this._element, EVENT_SHOW$4, {
      relatedTarget
    });
    if (showEvent.defaultPrevented) {
      return;
    }
    this._isShown = true;
    this._isTransitioning = true;
    this._scrollBar.hide();
    document.body.classList.add(CLASS_NAME_OPEN);
    this._adjustDialog();
    this._backdrop.show(() => this._showElement(relatedTarget));
  }
  hide() {
    if (!this._isShown || this._isTransitioning) {
      return;