> $A(attr.edges).each(function(edge) {
> this.edge.set(id, new GraphEdge(cv, id, edge));
> }, this);
edge is your variable, why bother trying to set function ownership?
The function is sent the parameter it needs to act upon. Just remove
"this" from your "this.edge..." line and you should be good.
--
http://positionabsolute.net
On Jul 14, 2:28 pm, ronman <[email protected]> wrote:
> This is a newbie question, but I learn a lot every time I ask.
>
> Why do some objects return a zero length?
>
> I'm doing Array.each. In the array at this particular time is a
> single object. Firebug describes that object as
>
> Object Brainwriting color=black penwidth=0.5 fontname=Arial
>
> and I iterate through the array this way:
> $A(attr.edges).each(function(edge) {
> this.edge.set(id, new GraphEdge(cv, id, edge));
> }, this);
>
> But in Prototype's each method the 'edge' iterator (the Brainwriting
> Object), returns zero length:
> function $A(iterable) {
> if (!iterable) return [];
> if (iterable.toArray) return iterable.toArray();
> var length = iterable.length || 0, results = new Array(length);
> // LENGTH NOW IS ZERO
> while (length--) results[length] = iterable[length];
> return results;
>
> }
>
> Maybe the Brainwriting Object is not iterable, but I would expect $A
> (attr.edges) to have made it so before my call to each().
>
> Surely I'm not expected to assign a length attribute to objects myself
> - just lilke 'penwidth' and 'color' were assigned - in order to make
> Array.each() work on objects. Why doesn't the Object.length return
> non-zero when any kind of Object is instantiated?
>
> I'm using Firefox 3.0.10.
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
"Prototype & script.aculo.us" group.
To post to this group, send email to [email protected]
To unsubscribe from this group, send email to
[email protected]
For more options, visit this group at
http://groups.google.com/group/prototype-scriptaculous?hl=en
-~----------~----~----~----~------~----~------~--~---
