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 id="myid" lang="en-us"> <script> var x=document.getElementsByTagName('body')[0]; document.write("Body 语言: " + x.lang); document.write("<br>"); document.write("另一种方式: "); document.write(document.getElementById('myid').lang); </script> </body> </html>
运行结果