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09. 字符串轮转

字符串轮转。给定两个字符串 s1 和 s2,请编写代码检查 s2 是否为 s1 旋转而成(比如,waterbottle 是 erbottlewat 旋转后的字符串)。 示例 1:

输入:s1 = "waterbottle", s2 = "erbottlewat"
输出:True

示例 2:

输入:s1 = "aa", s2 = "aba"
输出:False

答案


var isFlipedString = function(s1, s2) {
if(s1.length !== s2.length) return false

if((s1+s1).includes(s2)){
return true
}
return false
};

var s1 = "waterbottle", s2 = "erbottlewat"

console.log(isFlipedString(s1,s2))