whole_func_string: function timeOutput(difference, timeValue, pluralTimeName) {
      let result = '';
      if (Math.round(difference / timeValue) === 1) {
          result = `1 ${pluralTimeName.substring(0, pluralTimeName.length - 1)} ago`;
      } else {
          result = `${Math.round(difference / timeValue)} ${pluralTimeName} ago`;
      }
      return result;
  }
func_code_string: function timeOutput(difference, timeValue, pluralTimeName) {
      let result = '';
      if (Math.round(difference / timeValue) === 1) {
          result = `1 ${pluralTimeName.substring(0, pluralTimeName.length - 1)} ago`;
      } else {
          result = `${Math.round(difference / timeValue)} ${pluralTimeName} ago`;
      }
      return result;
  }
func_documentation_string: Returns string value of the output
  @param {Number} difference - difference from current in milliseconds
  @param {Number} timeValue - unit being calculated ex. seconds: 1000
  @param {string} pluralTimeName - plural name of time value ex. 'seconds'
  @return {string} string of how long ago ex. '1 second ago' or '5 minutes ago'