JSFiddle - React, Tailwind, and code Playground

JavaScript

var x, y;
let min = [
  [2, 7, 2],
  [2, 5, -4],
  [2, 1, 5],
  [3, 1, 2]
].reduce(mySearch, Infinity)


function mySearch (acc, subArray, index) {
	let min = Math.min(...subArray)
  if (min < acc) {
  	x = index
    y = subArray.indexOf(min)
    return min
  }
  return acc
}

console.log(`x: ${x}, y: ${y}, value: ${min}`)