retrieve child of child in firebase - javascript

I am new in firebase, could anyone tell me how can I retrieve the values if there are two children under the child "status" , this is my code

function tampil(){

        ordersRef.on("value", function(snapshot)
        {
                var data = snapshot.val();
                var files ="";
                for(var key in data)
                {
                        files += "<tr>"+
                                                           "<td>" + data[key].name + "</td>"+ 
                                                           "<td>" + data[key].order_date + "</td>"+
                                                           "<td>" + data[key].alamat + "</td>"+
                                                           "<td>" + data[key].status + "</td>"+
                                                           '<td>'+'<button class="btn btn-primary edit" data-validasi="'+key+'">Edit</button>'+'</td>' +
                                                           '<td>'+'<button class="btn btn-danger hapus" data-validasi="'+key+'">Hapus</button>'+'</td>' +
                                                          "<tr>";
                        

                }
                tableValidasi.innerHTML= files;
                if (files !="") {       

                        var elementEditTabel = document.getElementsByClassName("edit");
                        for (var i =0; i<elementEditTabel.length; i++) {
                                elementEditTabel[i].addEventListener("click",editaFirebase,false);                      }


                        var elementHapusTable = document.getElementsByClassName("hapus");
                        for (var i =0; i<elementHapusTable.length; i++) {
                                elementHapusTable[i].addEventListener("click",hapusFirebase,false);                     }
                }
        });
}