foreach_member
Description:
Iterates over all members of this and calls func on each one of them.
It is safe to change the value of a member of the oobject from within the iterator function, but it is not safe to add or remove members from the object.
The order in which the object members are iterated is the insertion order.
Parameters:
| this |
a JSON object |
| func |
the function to be called on each member |
| data |
data to be passed to the function |