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If you can read this...Codewars

Approach

NATO phonetic alphabetWikipedia

Solve the problem

1. remove all space

2. convert to lower case and split as array

3. iterate process-2

   1. if it's alphabet convert to nato case, else just return origin value

4. join all element with ' '(one space)

Solution

JavaScript

const natoPhoneticAlphabt = {
  'a': 'Alfa',
  'b': 'Bravo',
  'c': 'Charlie',
  'e': 'Echo',
  'd': 'Delta',
  'f': 'Foxtrot',
  'g': 'Golf',
  'h': 'Hotel',
  'i': 'India',
  'j': 'Juliett',
  'k': 'Kilo',
  'l': 'Lima',
  'm': 'Mike',
  'n': 'November',
  'o': 'Oscar',
  'p': 'Papa',
  'q': 'Quebec',
  'r': 'Romeo',
  's': 'Sierra',
  't': 'Tango',
  'u': 'Uniform',
  'v': 'Victor',
  'w': 'Whiskey',
  'x': 'Xray',
  'y': 'Yankee',
  'z': 'Zulu',
};

const to_nato = (words) => [...words.replace(/\s/g, '').toLowerCase()].map((v) => {
  if (v.match(/[a-z]/)) {
    return natoPhoneticAlphabt[v];
  }
  return v;
}).join(' ');