leetcode frequent words

frequentwords.js

function topKFrequentWords(words, k) {
  const freq = new Map();
  
  for (const word of words) {
    if (!freq.has(word)) {
      freq.set(word, 1);
    } else {
      freq.set(word, freq.get(word) + 1);
    }
  }
  
  const sorted = [...freq.entries()].sort((a, b) => b[1] !== a[1] ? b[1] - a[1] : a[0].localeCompare(b[0]));

  const result = [];
  for (let i = 0; i < k; i++) {
    result.push(sorted[i][0])
  }

  return result;
};