Rails - Apr 2009 - how to call javascript function in text_field_tag

Dear all

Sorry for dummy question. How can I convert a text input in form to
upper case letter in view?

Can I call the javascript function toUpperCase() in text_field_tag??
<%= text_field_tag(:sometext, nil, :size => 14) %>

I know I can achieve this using params[:sometext].upcase in controller,
but I want to do this in view. Any ideas?

Many thanks
Valentino
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<script type="text/javascript">
function changecase()
{
 (document.getElementById("sometext")).value=document.getElementById("sometext").value).toUpperCase();
}


</script>

<%= text_field_tag(:sometext, nil, :size => 14 , :onchange => 
"changecase();") %>

When u enter the text in the textbox and when the focus goes out of the 
textbox the text changes to uppercase.

Hope this might help.
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Hi Charanya,

Or try using unobtrusive JavaScript by giving the field a unique id and 
then hooking up the action to that id. With jQuery it is very simple.

To get the field just use:

$(''#uniqueid'')

and then you can chain any function to the element.

HTH,
Schalk

Charanya Nagarajan wrote:
> <script type="text/javascript">
> function changecase()
> {
> 
(document.getElementById("sometext")).value=document.getElementById("sometext").value).toUpperCase();
> }
> 
> 
> </script>
> 
> <%= text_field_tag(:sometext, nil, :size => 14 , :onchange => 
> "changecase();") %>
> 
> When u enter the text in the textbox and when the focus goes out of the 
> textbox the text changes to uppercase.
> 
> Hope this might help.
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