JSFiddle - React, Tailwind, and code Playground
HTML
<select id='teste' onchange="testeee()">
<option value='1'>1</option>
<option value='2'>2</option>
</select>
<select id='teste2'>
<option value='1'>1</option>
<option value='2'>2</option>
</select>
<select id='teste3'>
<option value='1'>1</option>
<option value='2'>2</option>
</select>
JavaScript
$(function(){
$('select').change(function(){
alert('Vocẽ alterou o select:'+$(this).attr('id')+' para o valor:'+$(this).val());
});
$('#teste3').change(function(){
alert('terceiro select');
});
});
function testeee()
{
alert('primeiro select');
}