JSFiddle - React, Tailwind, and code Playground

HTML

<select id="bar">
    <option value="bar1">bar1</option>
    <option value="bar2">bar2</option>
</select>
<span id="foo"></span>

JavaScript

$("select").focus(function () {
    
    var focusValue = this.value;
    
    $('#foo').text(focusValue);
    
}).change(function() {
    
    var changeValue = this.value  
    
    $('#foo').text(changeValue);
    
});