JSFiddle - React, Tailwind, and code Playground

HTML

<form id="test">
    <input type='text' />
</form>

JavaScript

$(document).ready(function() {
    var $input = $('#test input');
    
    $input
        .on('focus', function() {
            alert("focused!");
        })
    
        .on('blur', function() {
            alert("blurred!");
        });
    
    $input.focus();
    $input.blur();
});