JSFiddle - React, Tailwind, and code Playground
HTML
<select id="sel"><option id="opt">Choose one</option></select>
JavaScript
var arr=['aaa','bbb','ccc'];
var html = '';
for(var i = 0;i < arr.length ; i++){
html += '<option value="' + arr[i] + '">' + arr[i] + '</option>';
console.log(i);
}
$("#sel").append(html);