En realidad, el problema es que no puedo enviar la ubicación en tiempo real del usuario a firebase rtdb y tuve que hacer que el valor fuera constante, pero esto realmente decepciona a mi cliente. Aquí está el código:

 firebase.initializeApp(firebaseConfig); var database = firebase.database(); document.querySelector('#send').addEventListener('click', () => { var username = document.getElementById("input").value; var inout = document.getElementById("inout").value; var today = new Date(); const monthNames = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ]; const dateObj = new Date(); const month = monthNames[dateObj.getMonth()]; const day = String(dateObj.getDate()).padStart(2, '0'); const year = dateObj.getFullYear(); const output = day + month + year; var time = today.getHours() + ":" + today.getMinutes() + ":" + today.getSeconds(); var lat = 22.992344005762106; var lon = 88.39171958538499; var data = { name: username, time: time + "," + inout, lat: lat, lon: lon }; var firebaseRef = firebase.database().ref('users/' + output + time); firebaseRef.set(data); })