JSFiddle - React, Tailwind, and code Playground

by sammy

HTML

<script src="http://static.firebase.com/v0/firebase.js"></script>

JavaScript

var fb = new Firebase("https://your-firebase.firebaseio.com/");

var userTopics = [];

fb.child('user/topic').once('value', function(ss){
    ss.forEach(function(ss2){
        fb.child('topics/'+ss2.name()).once(function(topic){
            userTopics.push(topic);
        });
    });
});