Specifically, this style is called an Immediately Invoked Function Expression, or IIFE.
https://en.wikipedia.org/wiki/Immediately-invoked_function_expression On Fri, Jun 10, 2016 at 3:36 AM, ludovic coues <[email protected]> wrote: > > (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 <[email protected]>: > > 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 > > > > > > -- > > You received this message because you are subscribed to the Google Groups > > "Django users" group. > > To unsubscribe from this group and stop receiving emails from it, send an > > email to [email protected]. > > To post to this group, send email to [email protected]. > > Visit this group at https://groups.google.com/group/django-users. > > To view this discussion on the web visit > > > https://groups.google.com/d/msgid/django-users/CAExk7p2eggp9rTviqo%2BQ%3DUhprxoLPJ4kWeP7Z_sx0xjZY%3DSVqA%40mail.gmail.com > . > > For more options, visit https://groups.google.com/d/optout. > > > > -- > > Cordialement, Coues Ludovic > +336 148 743 42 > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/django-users. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/CAEuG%2BTYyB381an2TNW4OiLg3dxfpz0zfcJ4L2D_FxucbKRJ8ZA%40mail.gmail.com > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/CAD4ANxWTY3%2BaADijByKcdQGafCa%2BxBegMvcCpt5uAtaPWCNxDg%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
