JSFiddle - React, Tailwind, and code Playground

HTML

<div id="log">Log:</div>
<div id="keys" tabindex="1">Focus</div>
<div id="click">Click</div>
<div id="modal">
    <form>
        <input type="text" id="input" />
    </form>
</div>

CSS

div {
    padding: 10px;
    border: 1px #ccc solid;
    margin: 10px;
}

JavaScript

$(function () {
    $('#log').append(' load ');
    $('#keys').focus();

    $('#keys').keydown(function (event) {
        $('#log').append('*');
        if (event.keyCode == 84) {
            $('#input').focus();
            event.preventDefault();
        }
    });

    $('#click').click(function () {
        $('#log').append(' click ');
        $('#keys').focus();
    });

    $('#input').blur(function () {
        $('#log').append(' blur ');
        $('#keys').focus();
    });
});