js drop-down box three-level linkage menu selection code
A simple and practical js drop-down box three-level linkage menu selection code. The province and city data here are examples, not complete.
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The code for the three-level drop-down menu effect implemented in pure js, friends in need can refer to it.
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16 May 2016
The three-level linkage between provinces and municipalities is particularly important when filling in the form. It directly improves the user's filling speed and accuracy. Next, this article uses js code to implement one. If you are interested, you can refer to it. I hope it can help you.
16 May 2016
When using it, you can refer to some other special effects on this site.
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