method

format

rails latest stable - Class: ActionController::AbstractRequest

format()

public

Returns the Mime type for the \format used in the request.

  GET /posts/5.xml   | request.format => Mime::XML
  GET /posts/5.xhtml | request.format => Mime::HTML
  GET /posts/5       | request.format => Mime::HTML or MIME::JS, or request.accepts.first depending on the value of <tt>ActionController::Base.use_accept_header</tt>

# File actionpack/lib/action_controller/request.rb, line 144
    def format
      @format ||=
        if parameters[:format]
          Mime::Type.lookup_by_extension(parameters[:format])
        elsif ActionController::Base.use_accept_header
          accepts.first
        elsif xhr?
          Mime::Type.lookup_by_extension("js")
        else
          Mime::Type.lookup_by_extension("html")
        end
    end

format

Method deprecated or moved

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