JSFiddle - React, Tailwind, and code Playground

by Sulthan Allaudeen

HTML

<select id='aaa'>
    <option value="1">One</option>
    <option value="2">Two</option>
</select>
<select id='bbb'>
    <option value="2">Two</option>
    <option value="1">One</option>
</select>

JavaScript

$('#aaa').on('change', function () {
    if (this.value == 1) {
        $('#bbb').val('2');
    } else {
        $('#bbb').val('1');
    }

})
$('#bbb').on('change', function ()

{
    if (this.value == 1) {
        $('#aaa').val('2');
    } else {
        $('#aaa').val('1');
    }

})