Sounds like you have something else on that page using $, such as prototype
library. Look up jquery's noconflict() if that's the case
On 11 Jan, 2013 9:26 PM, "Daniele Procida" <dani...@vurt.org> wrote:
> I had a custom widget, which broke after some other things were updated.
>
> It was saying:
>
> TypeError: 'undefined' is not a function (evaluating '$('#id_conta
> cts_and_people-phonecontact-content_type-object_id-0-label').combo
> box()')
>
> Last night, I finally managed to fix it, after noticing that this script
> (which is injected into the HTML body as many times as required for each
> widget) began:
>
> $(document).ready(function(){
>
> while others I had seen began:
>
> jQuery(document).ready(function($){
>
> Changing it to the latter form made it work.
>
> The only thing is, I don't really understand what was wrong, or how doing
> that fixed it.
>
> I understand that a jQuery conflict of some kind meant that jQuery was
> unable to find the function "combobox()" and that probably this was because
> of the way the admin template was loading JavaScript files.
>
> But I don't understand what the changes actually mean, or what they do.
>
> I also found that:
>
> django.jQuery(document).ready(function($){
>
> worked. Again, I don't know what that is doing.
>
> If someone can explain what is going on in this example, that would be
> really helpful.
>
> More generally, this sort of thing (jQuery conflicts) seems to be an
> almost constant issue for Django developers who create custom widgets. Is
> there a more general strategy for dealing with it?
>
> Thanks,
>
> Daniele
>
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