Method unmountCallback

src/preact/base-element.js:484–494

@override

()

  /** @override */
  unmountCallback() {
    discover(this.element);
    const Ctor = /** @type {typeof PreactBaseElement} */ (
      /** @type {?} */ (this.constructor)
    );
    if (Ctor.loadable) {
      this.mutateProps({'loading': Loading_Enum.UNLOAD});
    }
    this.updateIsPlaying_(false);
    this.mediaQueryProps_?.dispose();
  }

  /**
   * @protected