Find max and min numbers in array

📅 May 30, 2019 · 📝 Apr 30, 2020 · ☕ 1 min read

#learn
#Javascript

What is the easiest way to find maximum and minimum of a given set of numbers?

Well, that’s easy.

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console.log(Math.max(1, 3, 5));
console.log(Math.min(1, 3, 5));

// 5 1

How about an array?

The first thing that comes to mind..

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const nums = [1, 3, 5];

const max = nums.reduce((n, mx) => (n > mx ? n : mx));
console.log("max: ", max);

const min = nums.reduce((n, mn) => (n < mn ? n : mn));
console.log("min: ", min);

// 5 1

But, an easier solution is right in front of us.

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console.log(Math.max(...nums));
console.log(Math.min(...nums));
// 5 1

Moral of the story

Never trust the first instinct.

But, you are not likely to be as naïve as me - so YMMV.

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WRITTEN BY

Prashanth Krishnamurthy

Technologist | Creator of Things

Find max and min numbers in array

Moral of the story

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