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
var selectbox=$("#select");//cache our slectbox, so jquery doesn't have to look for it in every loop.
$('p > a').each(function(){
var text=$(this).text();
alert(text.val)
selectbox.append($('<option>').text(text).val(text));
})