hi experts
i´m a begineer in web ide fullstack, so i need convert a file xml to json object.
but this file xml is from url http://archivo.eluniversal.com.mx/rss/notashome.xml, because i want to make a conecction between a tile and rss-feed that can give me the news.
i was trying add a code javascript

and give me this error, in the tile that is in the circle i need that appear the news


please help me.