JSFiddle - React, Tailwind, and code Playground

HTML

<form>
    <input type="text" name="foo" />
    <input type="submit" name="bar" value="Envoyer 1" />
    <input type="submit" name="baz" value="Envoyer 2" />
</form>

JavaScript

$(function() {
    $('form').on('submit', function(e) {
        e.preventDefault();
        var $activeElement = $(document.activeElement);
        console.log($(this).serialize() + '&' + $activeElement.attr('name') + '=' + $activeElement.val());
    });
});