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