location

http://example.com:1234/test.htm#part2

location.hash    #part2

location.port    1234
http://www.w3school.com.cn/tiy/t.asp?f=hdom_loc_search

location.search                  ?f=hdom_loc_search

location.host   example.com:1234

location.hostname  example.com

location.protocol  http:

location.href      http://example.com:1234/test.htm#part2