修復 Bootstrap 模式的 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()

// 我的 SPA 中有一個動態模態，所以我正在渲染一個模態
// 首先在 DocumentFragment 內並儲存此模態對象
// 在一個變數中，以便我可以在之後呼叫模態的方法，例如 close()

常量值 = {
    模態：{
        id: '我的模態',
        物件：空
    }
}

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




          </div>