code: function ownerWindow (el) {
    const node = el && findDOMNode(el)
    const doc = ownerDocument(node)
    return doc && (doc.defaultView || doc.parentWindow)
  }
docs: ---
  category: utilities/DOM
  ---
  Retrieve the owner window object associated with
  the owner document of the specified element
  @param {ReactElement|DOMNode} el
  @returns {Object} the owner window