JSFiddle - React, Tailwind, and code Playground

by Joe

HTML

<select class="selectClass">
    <option value="1">1</option>
    <option value="2">2</option>
    <option value="3">3</option>
    <option value="4">4</option>
    <option value="5">5</option>
    <option value="6">6</option>
</select>
<select class="selectClass1">
    <option value="1">1</option>
    <option value="2">2</option>
    <option value="3">3</option>
    <option value="4">4</option>
    <option value="5">5</option>
    <option value="6">6</option>
</select>

JavaScript

$(".selectClass").change(function () {
    $("select option").prop("disabled", false);
    $(".selectClass1").not($(this)).find("option[value='" + $(this).val() + "']").prop("disabled", true);
});