button(value=nil, options={}) public

Add the submit button for the given form. When no value is given, it checks if the object is a new resource or not to create the proper label:

<%= form_for @post do |f| %> <%= f.button %> <% end %>

In the example above, if @post is a new record, it will use “Create Post” as submit button label, otherwise, it uses “Update Post”.

Those labels can be customized using I18n, under the helpers.submit key and accept the %{model} as translation interpolation:

en: helpers: button: create: "Create a %{model}" update: "Confirm changes to %{model}"

It also searches for a key specific for the given object:

en: helpers: button: post: create: "Add %{model}"
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