1  /** Used for built-in method references. */
 2  var arrayProto = Array.prototype;
 3  
 4  /* Built-in method references for those with the same name as other `lodash` methods. */
 5  var nativeJoin = arrayProto.join;
 6  
 7  /**
 8   * Converts all elements in `array` into a string separated by `separator`.
 9   *
10   * @static
11   * @memberOf _
12   * @since 4.0.0
13   * @category Array
14   * @param {Array} array The array to convert.
15   * @param {string} [separator=','] The element separator.
16   * @returns {string} Returns the joined string.
17   * @example
18   *
19   * _.join(['a', 'b', 'c'], '~');
20   * // => 'a~b~c'
21   */
22  function join(array, separator) {
23    return array == null ? '' : nativeJoin.call(array, separator);
24  }
25  
26  module.exports = join;