text: var hash;
      hash = window.location.hash;
      hash = hash.replace("#key=",""); 
      console.log(hash);
  var individualtopicRef = firebase.database().ref("/topics/" + hash + "/comments/")
   individualtopicRef.on('child_added',function(commentSnap){
             
              
              $('#container').append(commentSnap.val());
          });
   $('#enterComment').on('click',function(){
          
          // console.log(currentTopic);
          
           individualtopicRef.push($('#comment').val());
          
      });