js方法返回多值如何取值demo

js方法返回,如何取值?下面demo两种方法 new array 和 json 返回值 取值示例.

 

方法一:  new array

 1 <html>
 2 <head>
 3     <meta charset='UTF-8'>
 4     <title>方法一: New Array</title>
 5 </head>
 6 <body>
 7     <input type='button' onclick='getInfo()' value='测试按钮'/>
 8 </body>
 9 <script type='text/javascript'>
10     function getData(){
11         return  new Array('admin_one','Hello World One');
12         //return  ['Admin_One','Hello World One'];  
13     }
14     function getInfo(){
15         var data=getData();
16         alert(data[0]); //admin_one
17         alert(getData()[1]); //Hello World One
18     }
19 </script>
20 </html>

 结果打印:

 

方法二:  json

 1 <html>
 2 <head>
 3     <meta charset='UTF-8'>
 4     <title>方法二: Josn</title>
 5 </head>
 6 <body>
 7     <input type='button' onclick='getInfo()' value='测试按钮'/>
 8 </body>
 9 <script type='text/javascript'>
10     function getData(){
11         return {'name':'admin_two','content':'Hello World Two'};
12     }
13     function getInfo()
14     {
15         var data=getData();
16         alert(data.name); //取值方法一: admin_two
17         alert(getData().content); //取值方法一:Hello World Two
18         
19         alert(data['name']); //取值方法二:admin_two
20         alert(getData()['content']); //取值方法二:Hello World Two
21 
22     }
23 </script>
24 </html>

 结果打印:

posted @ 2019-01-03 16:20  echo曦  阅读(449)  评论(0)  编辑  收藏  举报