Subj : Re: E4X for-each is eager
To   : McKinley, Richard
From : Igor Bukanov
Date : Fri Aug 20 2004 11:40 pm

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?

.