Reverse a String

翻转字符串

先把字符串转化成数组，再借助数组的reverse方法翻转数组顺序，最后把数组转化成字符串。

你的结果必须得是一个字符串

当你完成不了挑战的时候，记得开大招‘Read-Search-Ask‘。

这是一些对你有帮助的资源:

Global String Object

String.split()

Array.reverse()

Array.join()

function reverseString(str) {
  // 请把你的代码写在这里
    str = str.split("").reverse().join(‘‘);
    return str;
}

reverseString("hello");

时间： 2024-08-02 23:07:58

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