Method appendChild

apps/mobile/worker.js:3094–3096

* Adds a node to the end of the list of children of this node. * @param {Node} child The node to append to the given parent node. * @returns The appended child.

(child)

   * @returns The appended child.
   */
  appendChild(child) {
    return child;
  }
  /**
   * Replaces a child node within this node
   * @param {Node} newChild The new node to replace oldChild.