code: function hashMany(obj) {
      var h = hash(obj, false);
  
      // Combine hash codes for given inputs
      if (arguments.length > 1) {
          var len = arguments.length,
              i = 0;
  
          while (i < len) {
              h = combineHash(h, hash(arguments[i++], false));
          }
      }
  
      return h;
  }
docs: Serves as a hash function for a particular type, suitable for use in hashing algorithms and data structures such as a hash table.
  @param {Object} obj An object to retrieve the hash code for.
  @param {...Objects} rest Optional number of objects to combine their hash codes.
  @returns {Number}