omitBy.js
 1  var baseIteratee = require('./_baseIteratee'),
 2      negate = require('./negate'),
 3      pickBy = require('./pickBy');
 4  
 5  /**
 6   * The opposite of `_.pickBy`; this method creates an object composed of
 7   * the own and inherited enumerable string keyed properties of `object` that
 8   * `predicate` doesn't return truthy for. The predicate is invoked with two
 9   * arguments: (value, key).
10   *
11   * @static
12   * @memberOf _
13   * @since 4.0.0
14   * @category Object
15   * @param {Object} object The source object.
16   * @param {Function} [predicate=_.identity] The function invoked per property.
17   * @returns {Object} Returns the new object.
18   * @example
19   *
20   * var object = { 'a': 1, 'b': '2', 'c': 3 };
21   *
22   * _.omitBy(object, _.isNumber);
23   * // => { 'b': '2' }
24   */
25  function omitBy(object, predicate) {
26    return pickBy(object, negate(baseIteratee(predicate)));
27  }
28  
29  module.exports = omitBy;