code: function isEmpty(value) {
        var result = true;
        if (!value) {
          return result;
        }
        var className = toString.call(value),
            length = value.length;
  
        if ((className == arrayClass || className == stringClass || className == argsClass ) ||
            (className == objectClass && typeof length == 'number' && isFunction(value.splice))) {
          return !length;
        }
        forOwn(value, function() {
          return (result = false);
        });
        return result;
      }
docs: Checks if `value` is empty. Arrays, strings, or `arguments` objects with a
  length of `0` and objects with no own enumerable properties are considered
  "empty".
  
  @static
  @memberOf _
  @category Objects
  @param {Array|Object|string} value The value to inspect.
  @returns {boolean} Returns `true` if the `value` is empty, else `false`.
  @example
  
  _.isEmpty([1, 2, 3]);
  // => false
  
  _.isEmpty({});
  // => true
  
  _.isEmpty('');
  // => true