JSFiddle - React, Tailwind, and code Playground

HTML

<select id="mooSelect">
</select>
<br>
<button id="addOption" >Add Option</button>

JavaScript

$('#addOption').on('click',addOption);
var i = 0;
function addOption(){ 
     $('#mooSelect')
         .append($("<option></option>")
         .attr("value",i++)
         .text("Option " + i)); 
}