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Ruby on Rails - HTML.ERB
HTML.ERB is HTML mixed with Ruby, using HTML tags. All of Ruby is available for programming along with HTML.
Following is the syntax of using Ruby with HTML −
<% %> # executes the Ruby code <%= %> # executes the Ruby code and displays the result
Example
<ul>
<% @products.each do |p| %>
<li><%= @p.name %></li>
<% end %>
</ul>
The output of anything in <%= %> tags is directly copied to the HTML output stream. To secure against HTML injection, use the h() function to html_escape the output
For example
<%=h @user_entered_notes %>
Please check the following link on XML Builder.
rails-references-guide.htm
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