text: /**
   * @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
   * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
   */
  
  /**
   * @module utils/dom/isnode
   */
  
  /**
   * Checks if the object is a native DOM Node.
   *
   * @param {*} obj
   * @returns {Boolean}
   */
  export default function isNode( obj ) {
  	if ( obj ) {
  		if ( obj.defaultView ) {
  			return obj instanceof obj.defaultView.Document;
  		} else if ( obj.ownerDocument && obj.ownerDocument.defaultView ) {
  			return obj instanceof obj.ownerDocument.defaultView.Node;
  		}
  	}
  
  	return false;
  }
  