method

id

Importance_2
Ruby on Rails latest stable (v6.1.7.7) - 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
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  • 3.2.1
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  • 5.2.3
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  • 6.1.3.1
  • 6.1.7.7
  • 7.0.0 (0)
  • 7.1.3.2 (0)
  • What's this?

Method not available on this version

This method is only available on newer versions. The first available version of the method is shown here.

id() public

Generate an HTML id attribute value.

return the <form> element’s id attribute.

<%= form_for @post do |f| %>
  <%# ... %>

  <% content_for :sticky_footer do %>
    <%= form.button(form: f.id) %>
  <% end %>
<% end %>

In the example above, the :sticky_footer content area will exist outside of the <form> element. By declaring the form HTML attribute, we hint to the browser that the generated <button> element should be treated as the <form> element’s submit button, regardless of where it exists in the DOM.

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