Method show

aspnet-samples/AspNetForm/Scripts/bootstrap.js:2770–2799

(relatedTarget)

      return this._isShown ? this.hide() : this.show(relatedTarget);
    }
    show(relatedTarget) {
      if (this._isShown) {
        return;
      }
      const showEvent = EventHandler.trigger(this._element, EVENT_SHOW$3, {
        relatedTarget
      });
      if (showEvent.defaultPrevented) {
        return;
      }
      this._isShown = true;
      this._backdrop.show();
      if (!this._config.scroll) {
        new ScrollBarHelper().hide();
      }
      this._element.setAttribute('aria-modal', true);
      this._element.setAttribute('role', 'dialog');
      this._element.classList.add(CLASS_NAME_SHOWING$1);
      const completeCallBack = () => {
        if (!this._config.scroll || this._config.backdrop) {
          this._focustrap.activate();
        }
        this._element.classList.add(CLASS_NAME_SHOW$3);
        this._element.classList.remove(CLASS_NAME_SHOWING$1);
        EventHandler.trigger(this._element, EVENT_SHOWN$3, {
          relatedTarget
        });
      };
      this._queueCallback(completeCallBack, this._element, true);
    }
    hide() {
      if (!this._isShown) {
        return;