How to realize the operation of array summation, maximum and minimum by js

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Array summation, maximum, minimum

Const array = [5, 4, 7, 8, 9, 2]

Array summation:

Array.reduce ((aformab) = > aforb)

Array maximum:

Array.reduce ((a) b) = > a > b? A: B); Math.max (. Array)

Array minimum:

Array.reduce ((a) b) = > a < b? A: B); Math.min (. Array)

The evaluation problem of most groups can be solved by using the reduce method of arrays.

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