JSFiddle - React, Tailwind, and code Playground

HTML

<form action="http://test.com/">
    <input type="hidden" name="test" value="123">
    <input type="test" name="xxx">
    <button type="submit">Отправить</button>
</form>

JavaScript

$(document).on("submit", 'form', function (e) {
    this.target = 't' + Date.now();
    console.log(this.target);
});