Method join

src/Chain.js:479–484

* Joins all elements of an array (or an array-like object) into a chain. * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/join * @param {array} elements * @param {string|Chain} [separator] * @return {Chain}

(elements, separator = undefined)

   * @return {Chain}
   */
  static join (elements, separator = undefined) {
    return Chain.wrap(
      elements
        .map(element => element.toString())
        .join(separator))
  }

  /**
   * Returns the empty chain constant.