JSFiddle - React, Tailwind, and code Playground
HTML
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js"></script>
<select name="name[]" class="select">
<option value="">Select</option>
<option value="volvo">Volvo</option>
<option value="saab">Saab</option>
<option value="mercedes">Mercedes</option>
<option value="audi">Audi</option>
</select>
<select name="name[]" class="select">
<option value="">Select</option>
<option value="volvo">Volvo</option>
<option value="saab">Saab</option>
<option value="mercedes">Mercedes</option>
<option value="audi">Audi</option>
</select>
<select name="name[]" class="select">
<option value="">Select</option>
<option value="volvo">Volvo</option>
<option value="saab">Saab</option>
<option value="mercedes">Mercedes</option>
<option value="audi">Audi</option>
</select>
JavaScript
$('select').change(function() {
var val = $(this).val();
$("select").not(this).each(function(index, item) {
$(item).find("option[value='" + val + "']").remove();
});
});