What will be the value of result after running this code?

const person = { name: 'Dave', age: 40, hairColor: 'blue' };const result = Object.keys(person).map((x) => x.toUpperCase());

What will be the value of result after running this code?

const person = { name: 'Dave', age: 40, hairColor: 'blue' };const result = Object.keys(person).map((x) => x.toUpperCase());

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

[ ] It will throw a TypeError. It will throw a TypeError. [ ] ["Name", "Age", "HairColor"] ["Name", "Age", "HairColor"] [ ] ["DAVE"...

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