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Leetcode - 242. Valid Anagram

· One min read

https://leetcode.com/problems/valid-anagram/

Solution 1​

/**
 * @param {string} s
 * @param {string} t
 * @return {boolean}
 */
var isAnagram = function (s, t) {
  if (s.length !== t.length) {
    return false;
  }

  const hashMapS = {};
  const hashMapT = {};

  for (let i = 0; i < s.length; i++) {
    if (hashMapS[s[i]]) {
      hashMapS[s[i]] += 1;
    } else {
      hashMapS[s[i]] = 1;
    }

    if (hashMapT[t[i]]) {
      hashMapT[t[i]] += 1;
    } else {
      hashMapT[t[i]] = 1;
    }
  }

  const compareST = Object.entries(hashMapS).map(([key, value]) => {
    console.log(value, hashMapT[key]);
    console.log(value === hashMapT[key]);
    if (value === hashMapT[key]) {
      return true;
    }
    return false;
  });

  return compareST.every((b) => b);
};