fetch("http://192.168.2.2:8080/jsonrpc?Base", { body: "[{\"jsonrpc\":\"2.0\",\"method\":\"Player.GetProperties\",\"params\":[1,[\"playlistid\",\"speed\",\"position\",\"totaltime\",\"time\",\"percentage\",\"shuffled\",\"repeat\",\"canrepeat\",\"canshuffle\",\"canseek\",\"partymode\"]],\"id\":5},{\"jsonrpc\":\"2.0\",\"method\":\"Player.GetItem\",\"params\":[1,[\"title\",\"thumbnail\",\"file\",\"artist\",\"genre\",\"year\",\"rating\",\"album\",\"track\",\"duration\",\"playcount\",\"dateadded\",\"episode\",\"artistid\",\"albumid\",\"tvshowid\",\"fanart\"]],\"id\":6}]", headers: { Accept: "text/plain, */*; q=0.01", "Content-Type": "application/json", "X-Requested-With": "XMLHttpRequest" }, method: "POST" }) .then(function(response) { return response.json(); }) .then(function(myJson) { console.log(myJson); });