Is it possible to refresh partial frequently using Ajax?

Question

In background, I want it to reload and shows the number how many unread messages are there.
I want that without refreshing page. I mean using ajax.

If I had t

Answer 1

FYI, refresh_part.js.erb would look like this:

$("#part").html("<%= escape_javascript(render 'partial', data: @data) %>");

instead of:

$('#part').html("#{escape_javascript(render 'partial', data: @data)}");

also, we can use the alias of "escape_javascript" to simplify this:

$("#part").html("<%= j(render 'partial', data: @data) %>");