3110-score-of-a-string.js

/**
 * 3110. Score of a String
 * https://leetcode.com/problems/score-of-a-string/
 * Difficulty: Easy
 *
 * You are given a string s. The score of a string is defined as the sum of the absolute
 * difference between the ASCII values of adjacent characters.
 *
 * Return the score of s.
 */

/**
 * @param {string} s
 * @return {number}
 */
var scoreOfString = function(s) {
  let sum = 0;
  for (let i = 0; i < s.length - 1; i++) {
    sum += Math.abs(s[i].charCodeAt() - s[i + 1].charCodeAt());
  }
  return sum;
};