1 var arry = ['张飞', '刘备', '关羽', '曹操']
2 var newArry = []
3 // for (var i = arry.length - 1; i >= 0; i--) {
4 // newArry[newArry.length] = arry[i]
5 // }
6 for (var i = 0; i < arry.length; i++) {
7 newArry[newArry.length] = arry[arry.length - i - 1]
8 }
9 console.log(newArry)