app/views/staff/rooms/update.js.erb
$("#room-edit-<%= room.id %> .errors").html("");
<% if @room.errors.present? %>
$("#room-edit-<%= room.id %> .errors").append("<%= @room.errors.full_messages.join(', ') %>");
<% else %>
$("#room-edit-<%= room.id %>").modal("hide");
var cells = $("table#organizer-rooms #room_<%= room.id %> td");
var roomName = "<%= room.name %>";
var data = [
roomName,
"<%=j room.room_number %>",
"<%=j room.address %>",
"<%=j room.level %>",
"<%= room.capacity %>",
"<%= room.grid_position %>"
];
var length = data.length;
for (var i = 0; i < length; ++i) {
cells[i].innerText = data[i];
}
<% end %>
document.getElementById("flash").innerHTML = "<%=j show_flash %>";