rails--rails/actionview/CHANGELOG.md

• ActionView::Helpers::FormBuilder#id returns the value of the <form> element's id attribute. With a method argument, returns the id attribute for a form field with that name.

  <%= form_for @post do |f| %>
    <%# ... %>
  
    <% content_for :sticky_footer do %>
      <%= form.button(form: f.id) %>
    <% end %>
  <% end %>
  

  Sean Doyle

• ActionView::Helpers::FormBuilder#field_id returns the value generated by the FormBuilder for the given attribute name.

  <%= form_for @post do |f| %>
    <%= f.label :title %>
    <%= f.text_field :title, aria: { describedby: f.field_id(:title, :error) } %>
    <%= tag.span("is blank", id: f.field_id(:title, :error) %>
  <% end %>
  

  Sean Doyle

• Add tag.attributes to transform a Hash into HTML Attributes, ready to be interpolated into ERB.

  <input <%= tag.attributes(type: :text, aria: { label: "Search" }) %> >
  # => <input type="text" aria-label="Search">
  

  Sean Doyle

Please check 6-1-stable for previous changes.