code: function isElement(value) {
        return (value && typeof value == 'object' && value.nodeType === 1 &&
          toString.call(value).indexOf('Element') > -1) || false;
      }
docs: Checks if `value` is a DOM element.
  
  @static
  @memberOf _
  @category Objects
  @param {*} value The value to check.
  @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.
  @example
  
  _.isElement(document.body);
  // => true
  
  _.isElement('<body>');
  // => false