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From the QQ website to extract the pure JS province city level three linkage

Source: Internet
Author: User
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In http://ip.qq.com/'s website has qq own JS province city three level linkage

QQ is used to refer to external JS to achieve three-level linkage. JS as follows: Http://ip.qq.com/js/geo.js

<!DOCTYPE HTML><HTML><Head><title>QQ JS Province Urban three-level linkage</title><!--Direct use of QQ's provincial and municipal data -<!--<script type= "Text/javascript" src= "Http://ip.qq.com/js/geo.js" ></script> -<Scripttype= "Text/javascript"src= "Geo.js"></Script></Head><Bodyonload= "Setup ();p reselect (' Shaanxi province ');p Romptinfo ();">        <form>            <Selectclass= "Select"name= "Province"ID= "S1">              <option></option>            </Select>            <Selectclass= "Select"name= "City"ID= "S2">              <option></option>            </Select>            <Selectclass= "Select"name= "Town"ID= "S3">              <option></option>            </Select>            <inputID= "Address"name= "Address"type= "hidden"value="" />          <inputonclick= "alert (document.getElementById (' address '). value); return false;"type= "Submit"value= "Submit" />        </form><Script>//This function is necessary because this function is called every time the address is changed in the Geo.jsfunctionPromptinfo () {varAddress=document.getElementById ('Address'); varS1=document.getElementById ('S1'); varS2=document.getElementById ('S2'); varS3=document.getElementById ('S3'); Address.value=S1.value+S2.value+S3.value;}</Script></Body></HTML>

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