method

field_name

v7.0.0 - Show latest stable - 0 notes - Class: ActionView::Helpers::FormBuilder

1.0.0
1.1.6
1.2.6
2.0.3
2.1.0
2.2.1
2.3.8
3.0.0
3.0.9
3.1.0
3.2.1
3.2.8
3.2.13
4.0.2
4.1.8
4.2.1
4.2.7
4.2.9
5.0.0.1
5.1.7
5.2.3
6.0.0
6.1.3.1
6.1.7.7
7.0.0 (0)
7.1.3.2 (38)
7.1.3.4 (0)
What's this?

field_name(method, *methods, multiple: false, index: @index) public

Generate an HTML name attribute value for the given name and field combination

Return the value generated by the FormBuilder for the given attribute name.

<%= form_for @post do |f| %>
  <%= f.text_field :title, name: f.field_name(:title, :subtitle) %>
  <%# => <input type="text" name="post[title][subtitle]">
<% end %>

<%= form_for @post do |f| %>
  <%= f.field_tag :tag, name: f.field_name(:tag, multiple: true) %>
  <%# => <input type="text" name="post[tag][]">
<% end %>

Show source

# File actionview/lib/action_view/helpers/form_helper.rb, line 1772
      def field_name(method, *methods, multiple: false, index: @index)
        object_name = @options.fetch(:as) { @object_name }

        @template.field_name(object_name, method, *methods, index: index, multiple: multiple)
      end

field_name

Related methods