javascript - iterate inside my .html.erb -

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good morning,

i developing application on rails , want show map locatión of cities alredy have.

i try writing:

<%=var="http://maps.googleapis.com/maps/api/staticmap&zoom=13&size=600x300&maptype=roadmap&" %> <%= @itinerary_city_visits.each |city_visit| %> <%= var = "#{var}&markers=color:blue%7clabel:s%7c#{city_visit.longitude},#{city_visit.latitude}" %> <% end %> <%= var = "#{var}&sensor=false" %> <%= image_tag var %>

but application prints several times url don't show map. don't know ... appreciate collaboration

*edit

i trying show 1 map cities.


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