What is the difference between the map() and the forEach() methods on the Array prototype?

What is the difference between the map() and the forEach() methods on the Array prototype?

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

[ ] There is no difference. There is no difference. [ ] The forEach() method returns a single output value, whereas the map() method performs operation on each value in the array. The forEach() method...

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