Character Frequency

Character FrequencyCodewars

Approach

solve the problem

• iterate all characters and count it

Solution

JavaScript

// Character Frequency
// https://www.codewars.com/kata/548ef5b7f33a646ea50000b2/

const charFreq = (message) => [...message].reduce((acc, cur) => {
  acc[cur] = (acc[cur] || 0) + 1;
  return acc;
}, {});