main.js 파일 var mData; function yckinitializeApp() { var firebaseConfig ={ apiKey: "AIzaSyCbvCvI3Dpkn36pIuwdes30Vmw6ugSytao", authDomain: "temptestserver.firebaseapp.com", databaseURL: "https://temptestserver-default-rtdb.firebaseio.com", projectId: "temptestserver", storageBucket: "temptestserver.appspot.com", messagingSenderId: "582158887911", appId: "1:582158887911:web:e8f9d55e624eeecbe22b42",..