Re: [flexcoders] bug in Array.splice?

[Ralf Bokelberg]

The current behaviour of splice is the same as it ever was in flash, so probably it's a bug in the documentation. Cheers,Ralf. On 9/26/06, Tracy Spratt
 <[EMAIL PROTECTED]> wrote:




















The for each loop does not process the
array in order.  The traversal order is documented as not reliable, but
actually seems to always return elements in the order which they are added to
the array.

 

Try this using a straight for loop.  (I
haven't, so you could be correct about a bug)

 

Tracy


 









From: 
flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] 
On Behalf Of Pan Troglodytes
Sent: Tuesday, September 26, 2006
11:38 AM
To: flexcoders
Subject: [flexcoders] bug in
Array.splice?



 







Either
there is a bug in Array.splice, or the documentation is off.

>From the help:

Example 
The following code creates the Array object vegetables
with the elements [spinach, green pepper, cilantro, onion, avocado].
The splice()
method is then called with the parameters 2 and 2, which assigns cilantro
and onion
to the spliced
array. The vegetables
array then contains [spinach,green pepper,avocado].
The splice()
method is called a second time using the parameters 1, 0, and the spliced
array to assign [spinach,cilantro,onion,green pepper,avocado]
to vegetables.


var vegetables:Array = new Array("spinach",
                 "green pepper",
                 "cilantro",
                 "onion",
                 "avocado");

var spliced:Array = vegetables.splice(2, 2);
trace(vegetables); // spinach,green pepper,avocado
trace(spliced);    // cilantro,onion

vegetables.splice(1, 0, spliced);
trace(vegetables); // spinach,cilantro,onion,green pepper,avocado

However, this is not the case.  When you pass an array as the third
argument to splice, it adds the target ARRAY to the original array.  It
does not insert the VALUES in the target array.

if you add
for each (var o:Object in vegetables)
  trace(typeof(o), o.toString());


you will get:
string
spinach
object cilantro,onion
string green pepper
string avocado

So, is this a bug or intended behavior?  I could see how it could go
either way.  However, it seems the example in the documentation should be
fixed.  I'm thinking it was intended that a passed-in array would be
disassembled and its components added.  Otherwise, why say "one or
more comma-separated values, or an array, to insert into the array"? 
Singling out array makes no sense, as it would be treated like any other value passed
in. 


-- 
Jason 












-- Ralf Bokelberg <[EMAIL PROTECTED]>Flex & Flash Consultant based in Cologne/Germany

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