Smart Setter

smart_setter.js

let employee = {
    get workDuration() {
        return this._workDuration;
    },
    set workDuration(value) {
        if (value.length > 8) {
            console.log("Work duration is too much, maximum 8 hours is allowed");
            return;
        }
    this._workDuration = value;
    }
};

employee.workDuration = 6;
console.log(employee.workDuration);   // 6
employee.workDuration = 10;  // Work duration is too much...