Function join

test-app/public/sinon.js:18218–18220

* Converts all elements in `array` into a string separated by `separator`. * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {Array} array The array to convert. * @param {string} [separator=','] The element separator.

(array, separator)

         * // => 'a~b~c'
         */
        function join(array, separator) {
          return array == null ? '' : nativeJoin.call(array, separator);
        }
    
        /**
         * Gets the last element of `array`.