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一个JavaScript递归实现反转数组字符串的实例

作者:佚名    责任编辑:admin    更新时间:2022-06-22

 

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 <!DOCTYPE html>  <html>  <head>  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />  <title>每天一个JavaScript实例-递归实现反转数组字符串</title>  <script>  var func = function(x,indx,str){    return indx == 0 ? str : func(x,--indx,(str +=" " + x[indx]));;    }  var arr = new Array("apple","banna","orange","apple2","apple3");  var arr1 = arr.slice(0)  var arr3 = func(arr1,arr1.length,"");  var arr2 = arr.slice(0).reverse();  console.log(arr2);  console.log(arr);  console.log(arr3);      </script>  </head>      <body>      <div id = "date">  </div>      </body>  </html>