JSFiddle - React, Tailwind, and code Playground
HTML
<p>
<a href="#">option1</a>
<a href="#">option2</a>
<a href="#">option3</a>
</p>
<select id="select">
</select>
JavaScript
$.fn.populate = function() {
var option1 = $('p a:eq(0)').text();
var option2 = $('p a:eq(1)').text();
var option3 = $('p a:eq(2)').text();
$(this)
.append('<option value="">' + option1 + '</option>')
.append('<option value="">' + option2 + '</option>')
.append('<option value="">' + option3 + '</option>')
}
$('#select').populate();