How to comment lines in rails html erb files

Question

Am a newbie to rails    please let me know the way to comment out a single line and also to comment out  a block of lines  in   html erb files

User · Accepted Answer

ruby on rails notes has a very nice blogpost about commenting in erb-files

the short version is

to comment a single line use

<%# commented line %>

to comment a whole block use a if false to surrond your code like this

<% if false %>
code to comment
<% end %>

User · Answer

Note that if you want to comment out a single line of printing erb you should do like this   lt       Buck    Papandreou   join   you      gt

User · Answer

This is CLEANEST  SIMPLEST ANSWER for CONTIGUOUS NON-PRINTING Ruby Code   The below also happens to answer the Original Poster s question without  the  ugly  conditional code that some commenters have mentioned      CONTIGUOUS NON-PRINTING Ruby Code   This will work in any mixed language Rails View file  e g    html erb    js erb    rhtml  etc  This should also work with STD OUT printing code  e g   lt     f label  title   gt  DETAILS   Rather than use rails brackets on each line and commenting in front of each starting bracket as we usually do like this      lt    if flash  myErrors    gt       lt    if flash  myErrors  any    gt         lt    if  post id nil    gt           lt    if  myPost  -1   gt             lt     post    myPost   gt           lt    else   gt             lt     post   Post new   gt           lt    end   gt         lt    end   gt       lt    end   gt     lt    end   gt    YOU CAN INSTEAD add only one comment  hashmark poundsign  to the first open Rails bracket if you write your code as one large block    LIKE THIS      lt         if flash  myErrors  then       if flash  myErrors  any  then         if  post id nil  then           if  myPost  -1 then              post    myPost            else               post   Post new            end          end        end      end      gt

[ruby-on-rails] How to comment lines in rails html.erb files?

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