如果你使用的是IE浏览器的Windows XP服务包2，有一个安全…

代码说明：

If you are using Internet Explorer on Windows XP Service Pack 2, there is a security restriction disallowing scripts to run in files opened on your local machine. When you first try to run the examples, you will most likely get a message saying, "To help protect your security, Internet Explorer has restricted this file from showing active content that could access your computer." To see the example, you must click on the message and select "Allow Blocked Content". JavaScript高级程序设计 里面自代源码-If you are using Internet Explorer on Windows XP Service Pack 2, there is a security restriction disallowing scripts to run in files opened on your local machine. When you first try to run the examples, you will most likely get a message saying, To help protect your security, Internet Explorer has restricted this file from showing active content that could access your computer. To see the example, you must click on the message and select Allow Blocked Content . JavaScript Advanced Programming sou