Php+ajax implement query drop-down content function

This article mainly introduced the Php+ajax implementation query pull-down content function, combined with the specific instance form analysis PHP with Ajax dynamic query function related implementation skills, need friends can refer to the next

The example of this paper describes the Php+ajax implementation of Baidu query pull-down content function. Share to everyone for your reference, as follows:

The results are as follows:

HTML code:

<!  DOCTYPE html>

A.txt content:


A,b,c,d,e,f,g


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