jQuery find ID of clicked button by class

Question

I have numerous buttons on my page with the same class names. However these buttons have different ID's. How do i do this:

$(".vote").click(function(){
     var id = $(this).{ID OF CLICKED BUTTON};
});

How can i make this pseudo code work?

Thanks

Answer 1

i think this also work

 $("body").on("click",".vote",function(){
    var id = this.id;
 });

Answer 2

use this :

var id = $(this).attr('id');