iterate(key, value, returnType, callback, callbackContext, args) → {any}
Iterates over the children of the group performing one of several actions for matched children. A child is considered a match when it has a property, named key, whose value is equal to valueaccording to a strict equality comparison. The result depends on the returnType:
RETURN_TOTAL: The callback, if any, is applied to all matching children. The number of matched children is returned.
RETURN_NONE: The callback, if any,