haiga - 経済統計練習帳

var a=new Array();
 
function sample() {
 
 number=0;
 
    var str = "ANV";
 
    var firebaseRef = new Firebase("https://my-first-chat-app.firebaseio.com");
    var messagesRef = firebaseRef.child('re2');
 
    messagesRef.on('child_added', function (snapshot) {
        var x = snapshot.val();
        number=number+1;
        a[number]=x.author;
        str="";
        for(s=1;s<number+1;s++){
        str=str+a[s];    
        }
 
        $("#memo").html(str);
    });
 
 
 
 $("#but").click(function(){
 
 
 
 
      var g="ceme";
 
    messagesRef.push({ author: g,title: "d"});
 
 
        });
 
 
 
}
 
 
<!DOCTYPE html>
<html lang="ja">
  <head>
    <meta charset="utf-8" />
    <title>Firebase</title>
  <script src="jquery.js"></script>
    <script src="https://cdn.firebase.com/js/client/2.3.2/firebase.js"></script>
       <script src="sample.js"></script>
  </head>
  <body onload="sample()">
    <div>
    <p id="memo"></p>
</div>
 <p id="but">ボタン</p>
  </body>
</html>