How can you make a vote-up-down button like in Stackoverflow?

Question

Problems

1. how to make an Ajax buttons (upward and downward arrows) such that the number can increase or decrease
2. how to save the actio

Answer 1

I thnk the answers for these questions are to long for stackoverflow.

I'd recommend storing the votes in a Database.

You don't mention a server-side programming language.

please give us some more information

This might help you get started