JSFiddle - React, Tailwind, and code Playground
HTML
<select id="myselect">
<option value="1">One</option>
<option value="2">Two</option>
</select>
JavaScript
console.log($('#myselect').val());
// all option's value
$('#myselect').find('option').each(function(){
console.log($(this).text());
console.log($(this).val());
});
// change event
$('#myselect').change(function(){
console.log($(this).find(':selected').text());
console.log($(this).find(':selected').val());
});