Comments on: Self-executing functions http://www.jspatterns.com/self-executing-functions/ Exploring common JavaScript patterns and anti-patterns Fri, 03 Feb 2012 21:54:54 +0000 hourly 1 http://wordpress.org/?v=3.0.3 By: » Pseudoklassische Vererbung in JavaScript – Teil 4 The Codejet http://www.jspatterns.com/self-executing-functions/#comment-47027 » Pseudoklassische Vererbung in JavaScript – Teil 4 The Codejet Sat, 28 Jan 2012 23:15:06 +0000 http://www.jspatterns.com/?p=62#comment-47027 [...] (engl. function expression) zugewiesen, der sofort ausgeführt wird. Dies wird auch als "immediate function" bezeichnet. Rückgabewert ist dabei ein weiterer anonymer Funktionsausdruck, der bis auf ein Detail [...] [...] (engl. function expression) zugewiesen, der sofort ausgeführt wird. Dies wird auch als "immediate function" bezeichnet. Rückgabewert ist dabei ein weiterer anonymer Funktionsausdruck, der bis auf ein Detail [...]

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]]> By: Spencer Drager http://www.jspatterns.com/self-executing-functions/#comment-17229 Spencer Drager Tue, 26 Apr 2011 20:17:41 +0000 http://www.jspatterns.com/?p=62#comment-17229 @Avi - There are plenty of examples. How often do you name variables something common? Perhaps you use a single letter for a quick toggle value or whatnot, so you make a var i, var x, or var o. If these are in the global namespace, it would not be uncommon for another function to use the same name which can cause some interesting bugs. Or what if you name something like "isComplete" or "isReady" or any number of other generic, yet descriptive, names? By putting these in a self-executing function to reduce the likelihood of causing conflicts. @Avi – There are plenty of examples. How often do you name variables something common?

Perhaps you use a single letter for a quick toggle value or whatnot, so you make a var i, var x, or var o. If these are in the global namespace, it would not be uncommon for another function to use the same name which can cause some interesting bugs. Or what if you name something like “isComplete” or “isReady” or any number of other generic, yet descriptive, names? By putting these in a self-executing function to reduce the likelihood of causing conflicts.

]]> By: Justin http://www.jspatterns.com/self-executing-functions/#comment-7966 Justin Tue, 28 Dec 2010 21:22:42 +0000 http://www.jspatterns.com/?p=62#comment-7966 I'm using this method exactly in the bookmarklet I created. Works perfect! I’m using this method exactly in the bookmarklet I created. Works perfect!

]]> By: Karl http://www.jspatterns.com/self-executing-functions/#comment-3615 Karl Thu, 05 Aug 2010 12:43:27 +0000 http://www.jspatterns.com/?p=62#comment-3615 @Avi - I think the author is trying to get across that the variables and functions inside a self-executing anon function will not be global and therefore won't clobber any variables / functions that may already exist in the global namespace, i.e. if you declare a var / function without namespacing it or using a particular function pattern it will be part of the global namespace, i.e. the window object in a browser, hope this helps.... @Avi – I think the author is trying to get across that the variables and functions inside a self-executing anon function will not be global and therefore won’t clobber any variables / functions that may already exist in the global namespace, i.e. if you declare a var / function without namespacing it or using a particular function pattern it will be part of the global namespace, i.e. the window object in a browser, hope this helps….

]]> By: Avi http://www.jspatterns.com/self-executing-functions/#comment-3571 Avi Tue, 03 Aug 2010 15:25:55 +0000 http://www.jspatterns.com/?p=62#comment-3571 I didn’t understand the part of:
“…You don’t want to add your variables and functions to the host page’s naming space and possibly causing a naming conflict with the page’s core code.”
How can this scenario happen?
Can you give me an example?

]]> By: Alva Giannecchini http://www.jspatterns.com/self-executing-functions/#comment-3210 Alva Giannecchini Sun, 04 Jul 2010 19:16:56 +0000 http://www.jspatterns.com/?p=62#comment-3210 awesome bless you for composing this awesome bless you for composing this

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