JavaScript Province Urban three-level linkage drop-down Box Menu Example Demo _javascript tips

This article describes the JavaScript implementation of the provincial urban three-level linkage drop-down box menu code, like the usual shopping choice address, the province through the choice of dynamic loading city list, through the choice of cities dynamic loading County list, so that can achieve the provincial and municipal three-level linkage, The following uses native JavaScript to achieve this function, share for everyone to reference. Specifically as follows:
The screenshot of the running effect is as follows:

The specific code is as follows:

<! DOCTYPE html>  

If you want to learn more, you can click the jquery dropdown box effect summary, JavaScript drop-down Box effect summary to learn.

This example is similar to Taobao shopping when filling in the address, to achieve the provincial and municipal three-level linkage, I hope you can apply to their own works, to practice.