text: /**
   * Given two strings, find the number of common characters between them.
   *
   * @param {String} s1
   * @param {String} s2
   * @return {Number}
   *
   * @example
   * For s1 = "aabcc" and s2 = "adcaa", the output should be 3
   * Strings have 3 common characters - 2 "a"s and 1 "c".
   */
  function getCommonCharacterCount(s1, s2) {
    const arr1 = s1.split('');
    const arr2 = s2.split('');
    let counter = 0;
    arr1.forEach((x) => {
      const ind = arr2.indexOf(x);
      if (ind >= 0) {
        counter += 1;
        arr2.splice(ind, 1);
      }
    });
    return counter;
  }
  
  module.exports = getCommonCharacterCount;
  