Reverse a String

作者: s1xteenth | 来源:发表于2017-03-09 21:28 被阅读0次

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

function reverseString(str) {
 
  str = str.split("").reverse().join("");
  
  return str;
}

reverseString("hello");

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