JSFiddle - React, Tailwind, and code Playground
by Sherali Turdiyev
HTML
<select id="first-choice">
<option value="English">English</option>
<option value="Spanish">Spanish</option>
</select>
<select id="second-choice">
<option value="Spanish">Spanish</option>
<option value="English">English</option>
</select>
JavaScript
var $secondOption= $('#second-choice>option').clone();
$("#first-choice").change(function() {
var userSelected = $(this).val();
$('#second-choice').html($secondOption);
// $("#second-choice").val(userSelected)
$('#second-choice option[value="'+userSelected+'"').remove()
});