> (function($) {
> 'use strict';
> ....
> })(django.jQuery);
This syntax is called a closure. First you declare a function so you
don't contaminate the global scope with your local declared variable.
Then you execute your function.
I will assume django.JQuery is the version of JQuery shipped with
django. Inside the closure, you can refer to it as simply the variable
$.
I hope that help you.
2016-06-09 17:06 GMT+02:00 Olivier Dalang <olivier.dal...@gmail.com>:
> Hi !
>
> I'm using several modules that rely on jQuery, and have some own needs as
> well :
>
>> - admin
>> - grappelli
>> - autocomplete light
>> - session security
>> ...
>
>
> I also see that there are tons of different variables that reference jQuery,
> defined by theses modules, some of which are the same, and some of which are
> not :
>
>> $
>> jQuery
>> django.jQuery
>> grp.jQuery
>> yl.jQuery
>> ...
>
>
> I also see django uses this type of syntax which seems to deal about
> dependecies and clonflicts, but is very cryptic to me (unfortunately such a
> problem is very hard to google) :
>
>> /*global DateTimeShortcuts, SelectFilter*/
>> ...
>> (function($) {
>> 'use strict';
>> ....
>> })(django.jQuery);
>
>
>
> Being a javascript ignorant, up to now, each time I had some javascript
> exceptions because of jQuery conflicts/undefined, I hacked a bit randomly
> until the exception disappeared, but I never understood the logic behind
> this.
>
> I'd love some guidance, as my project grows more and more complex, and
> hacking randomly doesn't shine as a particularly good long term strategy.
>
> As partical example, what would be a clean way to add jQuery.AreYouSure to
> the django admin forms ?
>
> Is there some documentation or guidelines that explain best practices ? Or
> is it indeed a mess and not just me not understanding ?
>
> Thanks !
>
> Olivier
>
>
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