Function getEventTargetDocument

lib/assets/react-source/development/react.js:13333–13335

* Get document associated with the event target. * * @param {object} nativeEventTarget * @return {Document}

(eventTarget)

	function getEventTargetDocument(eventTarget) {
	  return eventTarget.window === eventTarget ? eventTarget.document : eventTarget.nodeType === DOCUMENT_NODE ? eventTarget : eventTarget.ownerDocument;
	}
	/**
	 * Poll selection to see whether it's changed.
	 *