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 对象的值</p> <p id="demo"></p> <script> var myObj, i, x = ""; myObj = { "name":"twle", "alexa":100000, "sites": { "site1":"www.twle.cn", "site2":"twle.cn", "site3":"c.twle.cn" } } myObj.sites.site1 = "www.google.com"; for (i in myObj.sites) { x += myObj.sites[i] + "<br>"; } document.getElementById("demo").innerHTML = x; </script> </body> </html>
运行结果：