3151.js

/** ------------------------------------------------------------------------------
 * 
 * 3151. Special Array I
 * Topics: Array
 * https://leetcode.com/problems/special-array-i/description/
 * 
 ------------------------------------------------------------------------------ */
/**
 * @param {number[]} nums
 * @return {boolean}
 */
var isArraySpecial = function (nums) {
  for (let i = 1; i < nums.length; i++) {
    if (nums[i - 1] % 2 === nums[i] % 2) return false
  }
  return true
}

console.log(isArraySpecial([1, 2, 3, 4, 5]))