Method getElementIDAtIndex

packages/react-devtools-shared/src/devtools/store.js:607–610

(index: number)

  }

  getElementIDAtIndex(index: number): number | null {
    const element = this.getElementAtIndex(index);
    return element === null ? null : element.id;
  }

  getElementByID(id: number): Element | null {
    const element = this._idToElement.get(id);