write
if(jQuery('#taxpayer_married').is(':checked'))
instead of
if(jQuery('#taxpayer_married').attr('checked'))
attr returns the value as it is initially defined in html. With 'is' you
are querying the current state.
Alex
Am Samstag, 7. September 2013 05:34:33 UTC+2 schrieb REM:
>
>
> I am trying out the 11.2.1 book example on p.504, and it just doesn't
> function at all. I've tried it with Firefox and Chromium and the behavior
> is the same. Instead of the spouse name field appearing when the box is
> checked, nothing happens. I've checked the book code against the web book
> code against my code and they all appear to be the same.
>
> Please help find my error!
>
> Here's a cut and paste from the relevant book section:
>
> *As an example, create an input form that asks for a taxpayer's name and
> for the name of the taxpayer's spouse, but only if he/she is married.
> Create a test application with the following model:
> *
>
> db = DAL('sqlite://db.db')
> db.define_table('taxpayer',
> Field('name'),
> Field('married', 'boolean'),
> Field('spouse_name'))
>
>
> *the following "default.py" controller:*
>
> def index():
> form = SQLFORM(db.taxpayer)
> if form.process().accepted:
> response.flash = 'record inserted'
> return dict(form=form)
>
> *and the following "default/index.html" view:
> *
> {{extend 'layout.html'}}
> {{=form}}
> <script>
> jQuery(document).ready(function(){
> jQuery('#taxpayer_spouse_name__row').hide();
> jQuery('#taxpayer_married').change(function(){
> if(jQuery('#taxpayer_married').attr('checked'))
> jQuery('#taxpayer_spouse_name__row').show();
> else jQuery('#taxpayer_spouse_name__row').hide();});
> });
> </script>
>
> *The script in the view has the effect of hiding the row containing the
> spouse's name:
> *
>
> Unfortunately, in my tests, there's no effect. It certainly *looks* from
> the code as though the row should appear and disappear based on the
> checkbox, but it doesn't seem to be happening for me. Why doesn't it work?
>
> Does it work for you?
>
> Thanks.....
>
>
>
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