实现一个字符串反转：输入：www.toutiao.com.cn 输出：cn.com.toutiao.www #41

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1. CodeRookie262

   added

   算法

   on Feb 24, 2021
2. CodeRookie262 commented on Feb 25, 2021

   

   CodeRookie262

   on Feb 25, 2021

   Last edited by CodeRookie262

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   解法一

   const reverseWord = function(str){
       return str.split(".").reverse().join('.')
   }

   解法二

   const reverseWord = function(str){
       var rs = '',
             word = '';
       for(var s of str){
           if(s === '.'){
                rs += word + s;
                word = '';   
               }else{
                word += s;
              }
       }
       rs += word;
       return rs;
   }