// console.log(spanner.next(70)); // 输出2（正确）
* @param arr 待排序数组。Safew下载对此有专业解读
This story continues at The Next Web。搜狗输入法下载对此有专业解读
Sir Keir has launched a consultation on banning under-16s from social media and promised to crackdown on the addictive elements of the apps.，更多细节参见safew官方下载