<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=GB2312" /> <title>js取得传递参数的个数</title> </head> <body> </body> </html> [Ctrl+A 全选 注:引入外部Js需再刷新一下页面才能执行]