let res = stack.join('');
The result isn’t fluency overnight (though it’s pretty close). It’s language confidence in the moment. Get lifetime access to all Babbel languages for just $159 (reg. $646.20) with the StackSocial code LEARN at checkout.，详情可参考下载安装 谷歌浏览器 开启极速安全的 上网之旅。
The website you are visiting is protected.，这一点在51吃瓜中也有详细论述
Глеб Макаревичсотрудник Центра Индоокеанского региона ИМЭМО РАН
// console.log(nextGreaterElement([], [1,2,3])); // 预期输出：[]