JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#"></a>
<input type="text" id="a" />

JavaScript

$(document).ready(function(){
    $('#a').focus();
    setTimeout(function(){
        console.log('Go go go!');
        //document.focus();
        document.getElementsByTagName('a')[0].focus();
    },1000);
});