[集]JS相关属性的值

1、navigator.userAgent

Chome:"Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US) AppleWebKit/534.10 (KHTML, like Gecko) Chrome/8.0.552.224 Safari/534.10"

Firefox:"Mozilla/5.0 (Windows; U; Windows NT 5.2; zh-CN; rv:1.9.2.13) Gecko/20101203 Firefox/3.6.13"

IE6.0:"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET CLR 　　　　2.0.50727)"

2、