Iterates over the json string looking for the named element and
returning the value of the following element if it is a number. If the
value is not a number the search continues.
Note that the search takes place from the current iteration position,
and all iterations are cumulative. The iteration position is reset using
the 'reset' method (in super).
Iterates over the json string looking for the named element and returning the value of the following element if it is a number. If the value is not a number the search continues.
Note that the search takes place from the current iteration position, and all iterations are cumulative. The iteration position is reset using the 'reset' method (in super).