Entry

theData["uniqueidhere"]=new record(..) works, it stores it, but theData.length returns 0, why?

Jun 12th, 2002 14:53
David Blackledge, Gareth Hay,

When you use the syntax object[string], you're not actually using an 
Array subscript, you're using an object property reference.
Specifically
 theData["myid"]
is exactly equivalent to
 theData.myid
The first syntax is useful when you have a string variable, or if you 
have a property that has special characters in the name like a dash 
(minus).
So, even if you're using an array, doing 
 theData["uniqueidhere"]=new record(..)
just assigns the new record to a new property of the object named the 
same as the unique id.  You could just as easily write
 theData.uniqueidhere = new record(..).
The Array object will only update the length if you use an integer 
index.
David.
http://David.Blackledge.com