What are the higher order functions in js functional programming?

Xiaobian to share with you what are the high-order functions in js functional programming, I believe most people still do not know how, so share this article for everyone's reference, I hope you have a lot of gains after reading this article, let's go to understand it together!

Functional Programming--> Higher Order Functions

Weaknesses, no process control

mapconst arr = ["A","B","C"]arr.map(e => console.log(e))

Advantages: Simple syntax, returns a mapping array of the old array, does not affect the original array

forEachconst arr = ["A","B","C"]arr.forEach(e => console.log(e))

Advantages: Simple syntax, better performance than map when no array is returned

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