ska-referee-test/ref-test/quiz/static/js/script.js

$(document).ready(function() {
    $("#od-font-test").click(function(){
        $("body").css("font-family", "opendyslexic3regular")
    });

    $('.test-code-input').keyup(function() {
        var input = $(this).val().split("-").join("").split("—").join(""); // remove hyphens and mdashes
        if (input.length > 0) {
          input = input.match(new RegExp('.{1,4}', 'g')).join("—");
        }
        $(this).val(input);
    });
});

$('form[name=form-quiz-start]').submit(function(event) {
    
    var $form = $(this);
    var alert = document.getElementById('alert-box');
    var data = $form.serialize();

    alert.innerHTML = ''

    $.ajax({
        url: window.location.pathname,
        type: 'POST',
        data: data,
        dataType: 'json',
        success: function(response) {
            var _id = response._id
            window.location.href = `/api/questions/${_id}`;
        },
        error: function(response) {
            if (typeof response.responseJSON.error === 'string' || response.responseJSON.error instanceof String) {
                alert.innerHTML = alert.innerHTML + `
                <div class="alert alert-danger alert-dismissible fade show" role="alert">
                    <i class="bi bi-exclamation-triangle-fill" title="Danger"></i>
                    ${response.responseJSON.error}
                    <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
                </div>
                `;
            } else if (response.responseJSON.error instanceof Array) {
                for (var i = 0; i < response.responseJSON.error.length; i ++) {
                    alert.innerHTML = alert.innerHTML + `
                    <div class="alert alert-danger alert-dismissible fade show" role="alert">
                        <i class="bi bi-exclamation-triangle-fill" title="Danger"></i>
                        ${response.responseJSON.error[i]}
                        <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
                    </div>
                    `;
                }
            }
        }
    });

    event.preventDefault();
});