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>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":"runoob", "alexa":10000, "site":null }; for (x in myObj) { document.getElementById("demo").innerHTML += myObj[x] + "<br>"; } </script> </body> </html>
运行结果