HI, I have inherited support on a rails website and I am encountering
the following problem:
<% if @request.env['HTTP_USER_AGENT'].downcase.index('msie 6.0')!=nil %>
<%= stylesheet_link_tag 'ie6' %>
<% elsif
@request.env['HTTP_USER_AGENT'].downcase.index('msie 7.0')!=nil %>
<%= stylesheet_link_tag 'ie7' %>
<% else %>
<%= stylesheet_link_tag 'moz' %>
<% end %>
this little code snippet works except when the user agent string is
empty in which case i get : (undefined method `downcase' for
nil:NilClass)
how can i edit this code so that it can handle an empty user agent
string?
thanks
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