JSFiddle - React, Tailwind, and code Playground

by manuel

HTML

<form action="#" id="frmId">
    <select name="dropDown1" id="dropDown1">
        <option value="1">1</option>
        <option value="2">2</option>
    </select>
    <input type="submit" value="send" />
</form>

JavaScript

$('#dropDown1').attr('disabled', 'disabled');
$("#frmId").submit(function() {
    $('#dropDown1').removeAttr('disabled');
});