https://blog.youkuaiyun.com/chen____Sirzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/chen____Sir/article/details/126531240https://blog.youkuaiyun.com/chen____Sir/article/details/126531240chen____SirThu, 25 Aug 2022 19:41:26 +0800https://blog.youkuaiyun.com/chen____Sir/article/details/126511148https://blog.youkuaiyun.com/chen____Sir/article/details/126511148chen____SirWed, 24 Aug 2022 19:21:42 +0800https://blog.youkuaiyun.com/chen____Sir/article/details/126489195https://blog.youkuaiyun.com/chen____Sir/article/details/126489195chen____SirTue, 23 Aug 2022 17:20:00 +0800开始下标，结束下标(不包)]]>https://blog.youkuaiyun.com/chen____Sir/article/details/126472577https://blog.youkuaiyun.com/chen____Sir/article/details/126472577chen____SirMon, 22 Aug 2022 19:53:59 +0800反转数组元素 [1,2,3] -> [3,2,1]=>arr.shift//删除数组最前面元素。// 第一个形参： 数组元素。查找数组满足条件的元素，返回新数组。5.splice(下标,元素个数,替换元素)[新元素1,新元素2,...]=>删除数组后面元素。=>数组前面添加元素。]]>https://blog.youkuaiyun.com/chen____Sir/article/details/126413333https://blog.youkuaiyun.com/chen____Sir/article/details/126413333chen____SirThu, 18 Aug 2022 20:35:47 +0800https://blog.youkuaiyun.com/chen____Sir/article/details/126391222https://blog.youkuaiyun.com/chen____Sir/article/details/126391222chen____SirWed, 17 Aug 2022 19:02:35 +0800 打印行数。}while(条件表达式);循环的嵌套： 外层循环循环一次，内层就要循环完。...]]>https://blog.youkuaiyun.com/chen____Sir/article/details/126372488https://blog.youkuaiyun.com/chen____Sir/article/details/126372488chen____SirTue, 16 Aug 2022 19:09:05 +0800https://blog.youkuaiyun.com/chen____Sir/article/details/126351524https://blog.youkuaiyun.com/chen____Sir/article/details/126351524chen____SirMon, 15 Aug 2022 19:33:43 +0800