JSFiddle - React, Tailwind, and code Playground
by bumbay
HTML
<form onsubmit="alert('Всё ок!'); return false;">
<input type="text" />
</form>
JavaScript
$('form').find('input').val(1).end().submit();
by bumbay
<form onsubmit="alert('Всё ок!'); return false;">
<input type="text" />
</form>
$('form').find('input').val(1).end().submit();