fmpq.com
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Fmpq教程(fmpq.com)</title> </head> <body> <p>在 for-in 循环对象的属性时，使用中括号（[]）来访问属性的值：</p> <p id="demo"></p> <script> var myObj = { "name":"Paoo", "alexa":10000, "site":null }; for (x in myObj) { document.getElementById("demo").innerHTML += myObj[x] + "<br>"; } </script> </body> </html>
运行结果