ｐ２０ｓｃｃｃｖ - 経済統計練習帳

var a=new Array();
 
function sample() {
 
    s=0;
 
    var fb = new Firebase("https://burning-inferno-7339.firebaseio.com");
    var mf = fb.child('mes');
 
    mf.on("child_added", function (snapshot) {
        z1 = snapshot.val();
        s=s+1;
        a[s]=z1.name;
        s5=s;
        if(s5>5)s5=5;
        $("#mx").html(s);
    });
 
 
 
$("#pon").click(function () {
 
  mf.push({ name: "d2",body: "a9"});
});
 
 
 $("#pon2").click(function () {
 
  mf.push({ name: "n3",body: "b9"});
});
 
 
}
 
<!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="mx"></p>
</div>
 <p id="pon">ボタン</p>
 <p id="pon2">ボタン</p>
  </body>
</html>