dsp2016-js-setters-example-2

function Dose() {
    var _min = null;
    var _max = null;
    this.setMin = function(min) {
      _min = min;
    };
    this.setMax = function(max) {
      _max = max;
    };
    this.getMin = function() {
        return _min;
    };
    this.getMax = function() {
        return _max;
    };
}
Dose.prototype = new Dose();

drug_dose.setMin(1); // OK
drug_dose.setMax('string'); // OK, but does not make sense
drug_dose._min = 1; // OK
drug_dose._max = 'string'; // OK, but does not make sense