how_to_set_voltmeter_resistance.ngjs

#!/usr/bin/env ngspicejs
// How to set voltmeter internal resistance
// linter: ngspicejs-lint
"use strict";

battery('U1', 1, 0, 9);
resistor('R1', 1, 2, '10M');
resistor('R2', 2, 0, '10M');
var v1 = voltmeter('V1', 2, 0);
echo(tran().run().avg('V(V1)').toEng(3));
// Lower voltmeter resistance to 1G ohm
v1.r('1G'); //!
echo(tran().run().avg('V(V1)').toEng(3));