From: Brian Candler <b.candler@...>
Date: 2009-11-29T19:23:44+09:00
Subject: Re: erb and js question

I単igo Medina wrote:
>> <script type="text/javascript">
>>    jQuery( function($) {
>>        $('#username').focus();
>>    });
>>
>> </script>
> 
> There is no id defined with "username" in your form.

I think you'll find there is; the code has

<%= text_field_tag 'username' %>

and the Rails helper adds an id for you. From the action_view 
documentation:

      # ==== Examples
      #   text_field_tag 'name'
      #   # => <input id="name" name="name" type="text" />

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