一个JavaScript递归实现反转数组字符串的实例

时间：2021-12-08 15:38:22
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<!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>
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