AW: AW: [Javascript] addin <input fields> via visibility or similar?

[mdougherty at pbp.com (Mike Dougherty)]

var loMyCol = document.getElementById("products_id[]");
var lnCount = loMyCol.length;

On Mon, 26 Sep 2005 11:56:07 +0200
  "Michael Borchers" <borchers@xxxxxxxxx> wrote:
> Michael Borchers wrote:
>> 
>> beautiful, this works so far.
>> the name for the inputs will be something like
>> products_id[X][products_price]
>> 
>> how can i count how many rows (X) there are already?
> 
> Triche wrote:
>>If by "rows" you mean extant INPUT tags, use getElementsByTagName, then 
>>loop through and count up the ones that match the stable portion of your 
>>NAME attribute.
> 
> how exactely do i count through? javascript doesn't have a simple
> count function for that or? :(
> 
> a simple
> var ordersNumRows = count(document.getElementById("products_id[]"));
> 
> would have been nice;)
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