能否把所有for循环都改成递归_

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var arr = [1,5,5,84,51,8,,4,8,66];
      for(var i = 0;i < arr.length;i ++) {
        console.log(arr[i]);
      }
      
      function bianli (arr) {
        var arr = [].concat(arr);
        if(arr.length == 0){
          return
        }
        console.log(arr.shift());
        return bianli(arr);
      }