SurveyJS - Add a Survey to a jQuery Application

<!DOCTYPE html>
<html>
<head>
    <title>My First Survey</title>
    <meta charset="utf-8">
    <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>

    <!-- Modern theme -->
    <link href="https://unpkg.com/survey-jquery/modern.min.css" type="text/css" rel="stylesheet">

    <!-- Default theme -->
    <!-- <link href="https://unpkg.com/survey-jquery/survey.min.css" type="text/css" rel="stylesheet"> -->

    <!-- Bootstrap theme -->
    <!-- <link href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css" rel="stylesheet"> -->

    <script type="text/javascript" src="https://unpkg.com/survey-jquery/survey.jquery.min.js"></script>
    <script type="text/javascript" src="index.js"></script>
</head>
<body>
    <div id="surveyContainer"></div>
</body>
</html>

Survey
    .StylesManager
    .applyTheme("modern");

const surveyJson = {
    questions: [{
        name: "FirstName",
        title: "Enter your first name:",
        type: "text"
    }, {
        name: "LastName",
        title: "Enter your last name:",
        type: "text"
    }]
};

const survey = new Survey.Model(surveyJson);

function alertResults (sender) {
    const results = JSON.stringify(sender.data);
    alert(results);
}

survey.onComplete.add(alertResults);

$(function() {
    $("#surveyContainer").Survey({ model: survey });
});