method
button
v6.1.3.1 -
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Class: ActionView::Helpers::FormBuilder
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button(value = nil, options = {}, &block)
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 button label; otherwise, it uses “Update Post”.
Those labels can be customized using I18n under the helpers.submit key (the same as submit helper) and using %{model} for translation interpolation:
en: helpers: submit: create: "Create a %{model}" update: "Confirm changes to %{model}"
It also searches for a key specific to the given object:
en: helpers: submit: post: create: "Add %{model}"
Examples
button("Create post") # => <button name='button' type='submit'>Create post</button> button do content_tag(:strong, 'Ask me!') end # => <button name='button' type='submit'> # <strong>Ask me!</strong> # </button> button do |text| content_tag(:strong, text) end # => <button name='button' type='submit'> # <strong>Create post</strong> # </button>