简单教程
提交运行
代码编辑器：
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>简单教程 (www.twle.cn)</title> </head> <body> <p>修改 JSON 对象数组值</p> <p id="demo"></p> <script> var myObj, i, x = ""; myObj = { "name":"公司", "num":4, "sites":[ "腾讯", "百度", "简单教程","阿里巴巴" ] }; myObj.sites[1] = "Github"; for (i in myObj.sites) { x += myObj.sites[i] + "<br>"; } document.getElementById("demo").innerHTML = x; </script> </body> </html>
运行结果：