<%= simple_form_for @book do |f| %>
  <%= f.input :isbn %>
  <%= f.input :title %>
  <%= f.input :authors %>
  <%= f.input :image_link %>
  <%= f.input :quantity %>

  <%= f.submit %>
<% end %>

<%= simple_form_for @book do |f| %>
  <%= f.input :isbn, autofocus: true %>
  <%= f.input :title %>
  <%= f.input :authors %>
  <%= f.input :image_link %>
  <%= f.input :quantity %>

  <%= f.submit %>
<% end %>

Add autofocus to book form.
Add autofocus to book form.
