请问以下JS代码的输出是?
function father() { this.num = 935; this.work = ['read', 'write', 'listen']; } function son() {} son.prototype = new father(); let son1 = new son(); let son2 = new son(); son1.num = 117; son1.work.pop(); console.log(son2.num); console.log(son2.work);