What is the difference between map() and forEach()?

What is the difference between map() and forEach()?

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: hard

标签: interviewbit, javascript, topic-specific, frontend

参考答案摘要

map() creates and returns a new array. forEach() only loops and does not return anything. map() is used when you want transformed data. forEach() is used for side effects like logging. map() is more f...

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