Increment Array Elements

Problem

Given an array of integers array, return a new array where each element is increased by 1.

Examples

incrementElements([1, 2, 3]);
// returns [2, 3, 4]

incrementElements([4, 5, 6]);
// returns [5, 6, 7]

incrementElements([0, -1, 5]);
// returns [1, 0, 6]

incrementElements([-5, -3, -1]);
// returns [-4, -2, 0]