输出是什么？- 题目详情 - 前端面试题宝典

选择题【1519/1530】输出是什么？

1function Person(firstName, lastName) {
2  this.firstName = firstName
3  this.lastName = lastName
4}
5
6const lydia = new Person('Lydia', 'Hallie')
7const sarah = Person('Sarah', 'Smith')
8
9console.log(lydia)
10console.log(sarah)

难度：

2021-07-02 创建

本题为“单选题”

A：Person {firstName: "Lydia", lastName: "Hallie"} and undefined

B：Person {firstName: "Lydia", lastName: "Hallie"} and Person {firstName: "Sarah", lastName: "Smith"}

C：Person {firstName: "Lydia", lastName: "Hallie"} and {}

D：Person {firstName: "Lydia", lastName: "Hallie"} and ReferenceError

切换至背题模式

上一题下一题

赞赏支持

预览

题库维护不易，您的支持就是我们最大的动力！