@phaserjs/phaser/components/hierarchy/GetChildIDAtIndex.js

Phaser 4

import { GetFirstChildID } from "./GetFirstChildID";
import { GetNextSiblingID } from "./GetNextSiblingID";
export function GetChildIDAtIndex(parentID, index) {
  let next = GetFirstChildID(parentID);
  let total = 0;
  while (next > 0 && total < index) {
    next = GetNextSiblingID(next);
    total++;
  }
  return next;
}