JSFiddle - React, Tailwind, and code Playground
HTML
<select id="sel">
<option>word</option>
</select>
JavaScript
const ddl = document.getElementById("sel");
ddl.addEventListener("click", function(){
ddl.innerHTML = null;
const input = ["this", "that", "other"];
for(let i = 0; i < input.length; i++){
const opt = document.createElement("option");
opt.setAttribute("text", input[i]);
opt.setAttribute("value", i);
ddl.appendChild(opt);
}
});