Betulkan Bootstrap modal&#s rootElement

const Default = {
  className: 'modal-backdrop',
  clickCallback: null,
  isAnimated: false,
  isVisible: true, // if false, we use the backdrop helper without adding any element to the dom
  rootElement: 'body' // give the choice to place backdrop under different elements
}

_configAfterMerge(config) {
      // use getElement() with the default "body" to get a fresh Element on each instantiation
      config.rootElement = getElement(config.rootElement) || document.body;
      return config;
}

_initializeBackDrop() {
      return new Backdrop({
        isVisible: Boolean(this._config.backdrop),
        // 'static' option will be translated to true, and booleans will keep their value,
        isAnimated: this._isAnimated(),
        rootElement: this._config.rootElement
      });
}

const myModal = new bootstrap.Modal(
    document.getElementById('myModal')
    , {
        backdrop: "static", 
        rootElement: '#your-div'
    }
)
myModal.show()

// Saya mempunyai modal dinamik dalam SPA saya, jadi saya memberikan modal
// di dalam DocumentFragment dahulu dan simpan objek modal ini
// dalam pembolehubah supaya saya boleh memanggil kaedah modal selepas, seperti close()

const NILAI = {
    modal: {
        id: 'modal saya',
        obj: null
    }
}

pecahan const = document.createRange().createContextualFragment(
    `<div>