Advanced Programming 9 Client Detection

• Capability Testing
• Quirks detection
• User Agent Detection

First, the ability to detect

1. More reliable capability testing

2, ability detection, not browser detection

Second, quirks detection

Third, the user agent detection

1. History of user-agent strings

① Early Browser

②netscape Navigator 3 and Internet Explorer 3

③netscape Communicator 4 and IE4~IE8

④gecko

⑤webkit

⑥konqueror

⑦chrome

⑧opera

⑨ios and Android

2. User Agent string detection technology

① identify the rendering engine

② Recognition Browser

③ Recognition Platform

④ Identifying Windows operating systems

⑤ Identifying mobile devices

⑥ Recognition Game system

3, The complete code

4. How to use

Advanced Programming 9 Client Detection