Syntax error Fetch Second minimum element from an array without sorting JavaScript

Fetch Second minimum element from an array without sorting JavaScript

We have an array of Numbers, and we are required to write a function that returns the second smallest value from the array.

For example − if the array is −

const arr = [67, 87, 56, 8, 56, 78, 54, 67, 98, 56, 54];

Then the output should be the following −

54

because 54 is the smallest value after 8

Example

const arr = [67, 87, 56, 8, 56, 78, 54, 67, 98, 56, 54];
const minimumIndex = arr => {
   return arr.indexOf(Math.min(...arr));
};
const secondMinimum = arr => {
   const copy = arr.slice();
   copy.splice(minimumIndex(copy), 1);
   return copy[minimumIndex(copy)];
};
console.log(secondMinimum(arr));

Output

The output in the console will be −

54
Updated on: 2020-08-28T13:42:17+05:30

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