JSFiddle - React, Tailwind, and code Playground
HTML
<select id = "ovoce">
<option>Banan</option>
<option>Jablko</option>
<option>Hruska</option>
</select>
<select id = "zbrane">
<option>Pistole</option>
<option>Luk</option>
<option>Bazooka</option>
</select>
JavaScript
$(document).ready(function(){
var ovoce = "#ovoce";
var zbrane = $("#zbrane");
$(ovoce).bind("change", function(){
var kolo = $( "#ovoce option:selected" ).text();
alert (kolo);
});
});