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Update "Action View Overview" guide [ci skip]

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- Provide full / Fix generated HTML by `form_for` in the example.
  - Provide full params in the example.
  - Express params[:person] in the sentence.
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bogdanvlviv 2017-12-26 13:30:39 +02:00
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guides/source/action_view_overview.md
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@ -807,20 +807,22 @@ The core method of this helper, `form_for`, gives you the ability to create a fo
The HTML generated for this would be:
```html
<form action="/people/create" method="post">
<input id="person_first_name" name="person[first_name]" type="text" />
<input id="person_last_name" name="person[last_name]" type="text" />
<input name="commit" type="submit" value="Create" />
<form class="new_person" id="new_person" action="/people" accept-charset="UTF-8" method="post">
<input name="utf8" type="hidden" value="&#x2713;" />
<input type="hidden" name="authenticity_token" value="lTuvBzs7ANygT0NFinXj98tfw3Emfm65wwYLbUvoWsK2pngccIQSUorM2C035M9dZswXgWTvKwFS8W5TVblpYw==" />
<input type="text" name="person[first_name]" id="person_first_name" />
<input type="text" name="person[last_name]" id="person_last_name" />
<input type="submit" name="commit" value="Create" data-disable-with="Create" />
</form>
```
The params object created when this form is submitted would look like:
```ruby
{ "action" => "create", "controller" => "people", "person" => { "first_name" => "William", "last_name" => "Smith" } }
{"utf8" => "✓", "authenticity_token" => "lTuvBzs7ANygT0NFinXj98tfw3Emfm65wwYLbUvoWsK2pngccIQSUorM2C035M9dZswXgWTvKwFS8W5TVblpYw==", "person" => {"first_name" => "William", "last_name" => "Smith"}, "commit" => "Create", "controller" => "people", "action" => "create"}
```
The params hash has a nested person value, which can therefore be accessed with params[:person] in the controller.
The params hash has a nested person value, which can therefore be accessed with `params[:person]` in the controller.
#### check_box