JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
            <form 
                id="form1" 
                action="" 
                method="post" 
                style=""
            >
                <h3><b>cc</b></h3>
                            <input type="radio" name="simple" value="{{ choice.id }}" /> ccca
                                            <input type="radio" name="simple" value="{{ choice.id }}" /> cccb
                            <span id="desc_choice_{{ choice.id }}"></span>
                        <br />
                <p style="display:none;" id="result_question_{{ question.id }}"></p>
                <input class="formsubmit" type="submit" value="Repondre" />
            <hr />
            </form>
                <form 
                id="form2" 
                action="" 
                method="post" 
                style="display:none;"
            >
                <h3><b>cc</b></h3>
                            <input type="radio" name="simple" value="{{ choice.id }}" /> ccca
                                            <input type="radio" name="simple" value="{{ choice.id }}" /> cccb
                            <span id="desc_choice_{{ choice.id }}"></span>
                        <br />
                <p style="display:none;" id="result_question_{{ question.id }}"></p>
                <input class="formsubmit" type="submit" value="Repondre" />
            <hr />
            </form>
</div>

JavaScript

$(document).ready(function() {

    $('.formsubmit').click(function(e) {
        e.preventDefault();
        var form = $(this).parent('form');
        manageResponse.result(true, form);
    });

    $(".container").on('click', '.nextQ', function(e) 
        console.log($(this));
        console.log($(this).next('form')) // prints nothing?...
    });

});    

var manageResponse = {
    result: function(result, form) {
        $resultField = form.find('p');
        $resultField.show();
        $resultField.html(result === true ? '<span style="color:green"> good </span>' : '<span style="color:red">false </span>');
        form.find('.formsubmit').hide();
        console.log(form.next('form'));
        (typeof(form.next('form') !== undefined)) ? $resultField.append('<p><a class="nextQ" href="#">Next ?</a></p>') : '<p class="willsee">over !</p>';
    }
}