Kommentare zu: Assoziative Arrays mit Javascript http://www.mm-newmedia.de/blog/2010/02/assoziative-arrays-mit-javascript/ Neuigkeiten, Tipps und Smalltalk rund um MM Newmedia Sat, 14 Jan 2012 11:25:58 +0000 hourly 1 http://wordpress.org/?v=3.3.1 Von: piwi http://www.mm-newmedia.de/blog/2010/02/assoziative-arrays-mit-javascript/comment-page-1/#comment-332 piwi Sun, 20 Mar 2011 03:02:56 +0000 http://www.mm-newmedia.de/blog/?p=125#comment-332 also ich versteh nur bahnhoff. es ist schon bleed wenn man bleed is. ;) also ich versteh nur bahnhoff.
es ist schon bleed wenn man bleed is. ;)

]]> Von: Sascha Schoppengerd http://www.mm-newmedia.de/blog/2010/02/assoziative-arrays-mit-javascript/comment-page-1/#comment-150 Sascha Schoppengerd Mon, 22 Feb 2010 15:04:04 +0000 http://www.mm-newmedia.de/blog/?p=125#comment-150 Wenn man bereits jQuery in sein Projekt eingebunden hat, dann kann man auch auf <code>$.each()</code> zurückgreifen. Wenn man bereits jQuery in sein Projekt eingebunden hat, dann kann man auch auf $.each() zurückgreifen.

]]> Von: admin http://www.mm-newmedia.de/blog/2010/02/assoziative-arrays-mit-javascript/comment-page-1/#comment-149 admin Mon, 22 Feb 2010 13:22:54 +0000 http://www.mm-newmedia.de/blog/?p=125#comment-149 Hey Dimitar, thanks a lot for your response. In this particular case I had to use for ... in because the object was an ajax response in json format. As a result of json decoding in prototype you will always recieve an object. But your advice is really usefull. Thanks for that. I 'll extend this article as soon as possible. Hey Dimitar,

thanks a lot for your response. In this particular case I had to use for … in because the object was an ajax response in json format. As a result of json decoding in prototype you will always recieve an object.

But your advice is really usefull. Thanks for that. I ‘ll extend this article as soon as possible.

]]> Von: Dimitar Christoff http://www.mm-newmedia.de/blog/2010/02/assoziative-arrays-mit-javascript/comment-page-1/#comment-148 Dimitar Christoff Mon, 22 Feb 2010 13:07:58 +0000 http://www.mm-newmedia.de/blog/?p=125#comment-148 although arrays in js are just objects with array-like properties, this is not using the array constructor. it won't be iterable in the normal sense as it lacks length property and you can't loop it using a normal "for/while" loops. you really ought to go about this differently, eg, var arr = []; arr['sender'] = 'me'; etc. - then you can use for ... in to obtain the array keys if you have to (keep in mind that array prototyping spills into such loops and you need hasOwnProperty() before you accept the key). if you don't care about the keys, then use a normal loop instead, its MUCH faster. also, using "for ... in" in javascript does NOT guarantee the order on which the items will return. although arrays in js are just objects with array-like properties, this is not using the array constructor. it won’t be iterable in the normal sense as it lacks length property and you can’t loop it using a normal “for/while” loops. you really ought to go about this differently, eg, var arr = []; arr['sender'] = ‘me’; etc. – then you can use for … in to obtain the array keys if you have to (keep in mind that array prototyping spills into such loops and you need hasOwnProperty() before you accept the key). if you don’t care about the keys, then use a normal loop instead, its MUCH faster. also, using “for … in” in javascript does NOT guarantee the order on which the items will return.

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