CareerBuilder - Question 2 (Char Count)

charCount.js

/*
Given a string, return the character count for each distinct character in the string.
 
·        Example: "abacca" -> a: 3, b: 1, c: 2
·        Once again, do not assume that “abacca” is the only string it will handle
*/

const charCount = (s) => {
   return s.split('').reduce((chars, a) => {
	chars[a] = (chars[a] || 0) + 1;
	return chars;
   }, {});
}