prosba o wyjasnienie

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#50830

From: smerf
Date: Wed, 20 Jul 2011 21:46

26 lines
1524 bytes

Czy ktos mi wyjasni linia po linii co to jest ?


    1. (function ($, undefined) {
    2.     $.extend({
    3.         loadTemplates: function (templateUrl) {
    4.             $.get(templateUrl, function (templates) {
    5.                 $(templates).filter("script")
    6.                     .each(function () {
    7.                         var templateName = $(this).attr("id");
    8.                         $(this).template(templateName);
    9.                     });
   10.             });
   11.         }
   12.     })
   13. })(jQuery)


Chodzi przede wszystkim o to co jest najbardziej na zewnatrz bo takiej 
skladni nie widzialem

(function ($, undefined) {
..
})(jQuery)

I po co to undefined ?

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Date: Wed, 20 Jul 2011 23:46:50 +0200
From: smerf <bez-konta@net.pl>
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