Subj : Re: E4X for-each is eager
To   : Igor Bukanov
From : McKinley, Richard
Date : Fri Aug 20 2004 04:30 pm

Ah, many thanks!  This does the trick.  for evaluates the second and 
third expressions with each iteration so this has the benefit of making 
clients..client.length() and moving target as I add elements to 
clients..client.  In this case, this is exactly what I want.

Kind regards,

McKinley

Igor Bukanov wrote:

> McKinley, Richard wrote:
> 
>> So, I'm reading the E4X spec.  I did dicover the reason for for-each 
>> being eager:
>> "The value of collection is computed once prior to performing steps 
>> and does not change while performing steps."
>>
>> I can accept that.  Now, what I cannot find is the shortest route to 
>> getting a count of nodes.  I need something like clients..client.length.
> 
> 
>  From ECMA 357:
> 
> 13.5.4.14 XMLList.prototype.length ( )
> Overview
> 
> The length method returns the number of properties in this XMLList 
> object. For example,
> 
> for (var i = 0; i < e..name.length(); i++) {
>        print("Employee name:" + e..name[i]);
> }
> 
> 
> Regards, Igor
> 
> 
> 
> 
> 
>>
>> Thanks,
>>
>> McKinley
>>
>> McKinley, Richard wrote:
>>
>>> How can I keep my place otherwise?
> 
>

.