code: function cloneWith(value, customizer) {
        customizer = typeof customizer == 'function' ? customizer : undefined;
        return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);
      }
docs: This method is like `_.clone` except that it accepts `customizer` which
  is invoked to produce the cloned value. If `customizer` returns `undefined`,
  cloning is handled by the method instead. The `customizer` is invoked with
  up to four arguments; (value [, index|key, object, stack]).
  
  @static
  @memberOf _
  @since 4.0.0
  @category Lang
  @param {*} value The value to clone.
  @param {Function} [customizer] The function to customize cloning.
  @returns {*} Returns the cloned value.
  @see _.cloneDeepWith
  @example
  
  function customizer(value) {
  if (_.isElement(value)) {
  return value.cloneNode(false);
  }
  }
  
  var el = _.cloneWith(document.body, customizer);
  
  console.log(el === document.body);
  // => false
  console.log(el.nodeName);
  // => 'BODY'
  console.log(el.childNodes.length);
  // => 0