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v 1.9.43

Context Actions in Element Titles


//Add a custom 'popupdescription' property to questions of all types and to pages
Survey.Serializer.addProperty("question", "popupdescription:text");
Survey.Serializer.addProperty("page", "popupdescription:text");
function showDescription(element) {
    document.getElementById("questionDescriptionText").innerHTML = element.popupdescription;

                    var json = { 
    title: "Software developer survey.", 
    pages: [
        "title": "What operating system do you use?",
        "popupdescription": "Select the operating system you are currently using.",
        "elements": [
            "type": "checkbox",
            "name": "opSystem",
            "title": "OS",
            "hasOther": true,
            "isRequired": true,
            "popupdescription": "If you do not use any of the listed operating system, please select 'others' and type your operating system name.",
            "choices": [ "Windows", "Linux", "Macintosh OSX" ]
        "title": "What language(s) are you currently using?",
        "popupdescription": "Select all programming languages you have been using for the last six months.",
        "elements": [
            "type": "checkbox",
            "name": "langs",
            "title": "Please select from the list",
            "popupdescription": "Select all programming languages you have been using for the last six months.",
            "colCount": 4,
            "isRequired": true,
            "choices": [
              "Emacs Lisp",
        "title": "Please enter your name and e-mail",
        "popupdescription": "We will not share this information with any third-party organization.",
        "elements": [
            "type": "text",
            "name": "name",
            "title": "Name:",
            "popupdescription": "Please, type your name as 'Given Name' 'Family Name'."
            "type": "text",
            "name": "email",
            "title": "Your e-mail",
            "popupdescription": "Please, make sure you do not misspell your e-mail."

                    window.survey = new Survey.Model(json);
            survey.onComplete.add(function(sender) {
            document.querySelector('#surveyResult').textContent =
            "Result JSON:\n" + JSON.stringify(, null, 3);
survey.onGetQuestionTitleActions.add((_, opt) => {
    opt.titleActions = [
            title: 'More info',
            innerCss: 'btn-more-info',
            action: () => {

survey.onGetPageTitleActions.add((_, opt) => {
    opt.titleActions = [
            title: 'More Info',
            innerCss: 'btn-more-info',
            action: () => {

<!DOCTYPE html>
<html lang="en">
    <title>Context Actions in Element Titles, Knockoutjs Survey Library Example</title>
<meta name="viewport" content="width=device-width" />
    <script src=""></script>
    <script src=""></script>
    <script src="/DevBuilds/survey-core/survey.core.min.js"></script>
    <script src="/DevBuilds/survey-core/survey.i18n.min.js"></script>
    <script src="/DevBuilds/survey-knockout-ui/survey-knockout-ui.min.js"></script>
    <link href="/DevBuilds/survey-core/modern.min.css" type="text/css" rel="stylesheet" />
    <link rel="stylesheet" href="./index.css">
<link rel="stylesheet" href="">
<script src=""></script>
<body style="margin: 0">
<!-- Modal -->
<div id="questionDescriptionPopup" class="modal fade" role="dialog">
    <div class="modal-dialog">

        <!-- Modal content-->
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal">&times;</button>
                <h4 class="modal-title">Modal Header</h4>
            <div class="modal-body">
                <!-- An element that displays a survey element's 'popupdescription' property value-->
                <p><div id="questionDescriptionText"></div></p>
            <div class="modal-footer">
                <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>

</div>            <div id="surveyElement" style="display:inline-block;width:100%;">
    <div id="surveyResult"></div>

<script type="text/javascript" src="./index.js"></script>


.btn-more-info {
    color: rgb(26, 179, 148);
    background: rgba(0, 0, 0, 0);
    border: none;
    font-size: 14px;
    font-family: inherit;
    font-weight: bold;
    outline: none;
    padding: 8px 24px;
    text-align: left;
    border-radius: 100px;

.btn-more-info:hover {
    background-color: rgb(26, 179, 148);
    color: rgb(255, 255, 255);

The Survey object (the SurveModel class) implements a set of title-action events allowing you to add context actions to titles of survey elements.

API demonstrated in the example:

Related API:

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