Elements order in a “for (… in …)” loop

Question

Does the \"for…in\" loop in Javascript loop through the hashtables/elements in the order they are declared? Is there a browser which doesn\'t do it in order?
The object

Answer 1

The order cannot be trusted. Both Opera and Chrome return the list of properties unordered.

The code above shows B, A, C in Opera and C, A, B in Chrome.