Call function referenced by value, passing the given parameters. If n_parameters is 0 no parameters will be passed to the function.
This function always returns a #JSCValue, in case of void functions a #JSCValue referencing <function>undefined</function> is returned
the #JSCValue<!-- -->s to pass as parameters to the function, or null
a #JSCValue with the return value of the function.
Call function referenced by value, passing the given parameters. If n_parameters is 0 no parameters will be passed to the function.
This function always returns a #JSCValue, in case of void functions a #JSCValue referencing <function>undefined</function> is returned