JSFiddle - React, Tailwind, and code Playground

by infernalbadger

HTML

<select id="sel-destination-tour">
    <option value="0"></option>
    <option value="1">1</option>
    <option value="2">2</option>
    <option value="3">3</option>
</select>

JavaScript

$('#sel-destination-tour').on('change', function() {
if ($('#sel-destination-tour').val() != 0) {
   alert("has value");
} 
else {
   alert("has no value");
}
});