finding the index of the smallest element in an array javascript code example

Example 1: javascript find smallest number in an array

const arr = [14, 58, 20, 77, 66, 82, 42, 67, 42, 4]
const min = Math.min(...arr)
console.log(min)

Example 2: find smallest number in array js

//Not using Math.min:
const min = function(numbers) {
  let smallestNum = numbers[0];
for(let i = 1; i < numbers.length; i++) {
    if(numbers[i] < smallestNum) {
      smallestNum = numbers[i];   
    }
  }
return smallestNum;
};