JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" id="txtInput" width="80px" />
</br>
<label id="lbl"></label>
</br>
</br>
<input type="checkbox" id="chkUpdate" />

JavaScript

$(document).ready(function(event) {

    $('#txtInput').keydown(function(event) {

        $('#lbl').text($('#txtInput').val());
        $('#lbl').change();
    });


    $('#lbl').change(function(event) {
        // alert($('#chkUpdate').size());
        $('#chkUpdate').change();
    });


});