输出是什么？- 题目详情 - 前端面试题宝典

选择题第1184题：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：

更新时间：2021-07-04

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

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