What does this code print to the console?

let bear = {
  sound: 'roar',  roar() {
    console.log(this.sound);  },};bear.sound = 'grunt';let bearSound = bear.roar;bearSound();

What does this code print to the console?

let bear = {
  sound: 'roar',  roar() {
    console.log(this.sound);  },};bear.sound = 'grunt';let bearSound = bear.roar;bearSound();

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: medium

分类: JavaScript

标签: JavaScript

参考答案摘要

[ ] Nothing is printed to the console. Nothing is printed to the console. [ ] grunt grunt [x] undefined undefined [ ] roar roar

本题提供 STAR 原则详细解答和技术解析，登录匠人学院学习中心即可查看完整答案。