JSFiddle - React, Tailwind, and code Playground

HTML

<html>
    <head>
    </head>
    <body>
        <input type='button' id='e1' />
        <input type='button' id='e2' />
    </body>
</html>

JavaScript

document.getElementById('e1').addEventListener('click', function(){alert('1');}, false);
document.getElementById('e2').addEventListener('click', function(){alert('2');}, false);
document.getElementById('e1').click();
document.getElementById('e2').click();