源代码：
<!DOCTYPE html>
<html><head><meta charset="UTF-8"><title>翻转数组</title></head><body><script>var arr=[1,2,3,4,5,6,7,8];var newArr = [];console.log(arr);for(var i=arr.length-1;i>=0;i--){newArr.push(arr[i]);}console.log(newArr);</script></body>
</html>运行结果截图：
