check-if-all-characters-have-equal-number-of-occurrences_0422.html

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    <title>check-if-all-characters-have-equal-number-of-occurrences</title>
  </head>
  <body></body>
  <script>
    /**
     * @param {string} s
     * @return {boolean}
     */
    const areOccurrencesEqual = function (s) {
      let map = new Map();
      let compairArr = [];
      for (let arg of s) {
        map.set(arg, map.get(arg) ? map.get(arg) + 1 : 1);
      }
      for (let [ket, value] of map) {
        compairArr.push(value);
      }
      return [...new Set(compairArr)].length == 1;
    };
  </script>
</html>