That means that mootools is not loaded in the frame that code is trying to
target.
parent.frames['frame_name'] just return a reference to that frame
(see http://www.jibbering.com/faq/#windows)
what happens now is that if that (i)frame doesn't load mootools, the
reference to that frame window.$ is undefined, but since you are trying to
call undefined('id_of_container') and undefined is not a function, FF will
report that error.
if you try the same page in chrome you should see a message that should
look like
Uncaught TypeError: Object [object global] has no method '$'
On Monday, September 23, 2013 8:38:27 PM UTC+1, Jack Drysdale Jr wrote:
>
> Hello, everyone.
>
> I'm new to MooTools (started working here in July 2013; I'm from a jQuery
> background), and have just started experiencing an issue that didn't exist
> before upgrading a testing FF browser to 23.0.1.
>
> This issue is only in FireFox v23.0.1, not IE7/8/9/10, nor in Chrome 24,
> and did not exist in FireFox v21.0.1.
>
> The project has several included .js files that are MooTools classes
> created by a previous programmer. One is for modal popup windows. Up
> until now, it has worked flawlessly.
>
> In FF23.0.1, whenever a user tries to close the modal by either the "X" in
> the corner, or by clicking "SAVE" in the form contained within the modal,
> FireBug reports "parent.frames[win.name].$ is not a function."
>
> The lines around the line in question are:
>
>
>
>> *hide: function(){*
>> * var win = this;*
>> * parent.frames[win.name].$('id_of_container').setStyle('display','none');
>> // This is the line throwing the error.*
>> * win.popup.addClass('hidden');*
>> * }*
>>
>
> Has anyone else experienced anything simliar, after a FF upgrade?
>
> Thank you,
>
> JD
>
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