/TypeScript/Increment elements in array typescript

Increment elements in array typescript

let numbers: number[] = [1, 2, 3, 4, 5];

function addNumbers(i: number): number {
  let sum: number = (numbers[i] += 1);

  return sum;
}

let add: number = addNumbers(2);

console.log(add);

Source: stackoverflow.com

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