Call function referenced by this, passing the given parameters.
If parameters.length is 0 no parameters will be passed to the function.
This function always returns a Value, in case of void functions a Value referencing `undefined` is returned
| this |
a Value |
| parameters |
the Value objects to pass as parameters to the function, or null |
| n_parameters |
the number of parameters |
|
a Value with the return value of the function. |