题解 | #字符串的排列#
左旋转字符串
http://www.nowcoder.com/practice/12d959b108cb42b1ab72cef4d36af5ec
切片轻松搞定
function LeftRotateString(str, n)
{
// write code here
if(!str) return "";
n = n % str.length;
let res = str.slice(n,str.length) + str.slice(0,n);
return res;
}
module.exports = {
LeftRotateString : LeftRotateString
};
