Unless you are using formstyle='bootstrap', web2py does not add any class
at all to <label> elements -- instead, the "w2p_fl' class is added to the
label's parent element (which is a TD, DIV, or LI, depending on the
formstyle). The 'bootstrap' formstyle adds a 'control-label' class directly
to the label elements, but in that case, the code you have shown below
would in fact completely replace the class, not merely append to it. If you
want to access the parent element of the label, you can do:
form.element('#trabalhador_val_formacao__label').parent['_class'] = 'label
label-warning'
Note, form.element() returns the first matching element, so no need to do
form.elements(...)[0].
Anthony
On Friday, May 10, 2013 5:42:58 AM UTC-4, Ramos wrote:
>
> hello this code
>
> a=form.elements('#trabalhador_val_formacao__label')
>
> a[0]['_class'] = 'label label-warning'
>
>
> only appends to the existing class in the label.
>
>
> I want to replace existing label class with another one
>
> how do i do it?
>
>
> Thank you
> António
>
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