源代码 ：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>开源教程(ossoft.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":"网站", "num":3, "sites":[ "Google", "Runoob", "Taobao" ] }; 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