Conditional visibility

Write an expression in 'visibleIf' to show/hide your question(s) 

                        

    
        Survey.StylesManager.applyTheme("modern");
    


var json = { showQuestionNumbers: "off",
     questions: [
    { type: "radiogroup", name: "haveKids", title: "Do you have a kid(s)?", isRequired: true, choices:["Yes", "No"], colCount: 0},
    { type: "dropdown", name: "kids", title: "How many kids do you have", visibleIf: "{haveKids}='Yes'",
        isRequired: true, choices:[1, 2, 3, 4, 5] }, 
    { type: "dropdown", name: "kid1Age", title: "The first kid age:", visibleIf: "{haveKids}='Yes' and {kids} >= 1",
        isRequired: true, "choicesMax": 18},
    { type: "dropdown", name: "kid2Age", title: "The second kid age:", visibleIf: "{haveKids}='Yes' and {kids} >= 2",
        isRequired: true, startWithNewLine: false, "choicesMax": 18},
    { type: "dropdown", name: "kid3Age", title: "The third kid age:", visibleIf: "{haveKids}='Yes' and {kids} >= 3",
        isRequired: true, startWithNewLine: false, "choicesMax": 18},
    { type: "dropdown", name: "kid4Age", title: "The fourth kid age:", visibleIf: "{haveKids}='Yes' and {kids} >= 4",
        isRequired: true, startWithNewLine: false, "choicesMax": 18},
    { type: "dropdown", name: "kid5Age", title: "The fifth kid age:", visibleIf: "{haveKids}='Yes' and {kids} >= 5",
        isRequired: true, startWithNewLine: false, "choicesMax": 18}
]};

window.survey = new Survey.Model(json);


    survey.onComplete.add(function(result) {
        document.querySelector('#surveyResult').textContent =
            "Result JSON:\n" + JSON.stringify(result.data, null, 3);
    });


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


                    
<!DOCTYPE html>
<html>
<head>
    <title>Write an expression in &#39;visibleIf&#39; to show/hide your question(s), jQuery Survey Library Example</title>


    <meta name="viewport" content="width=device-width, initial-scale=1">
    <script src="https://unpkg.com/jquery"></script>
<script src="https://surveyjs.azureedge.net/1.1.24/survey.jquery.js"></script>
<link href="https://surveyjs.azureedge.net/1.1.24/modern.css" type="text/css" rel="stylesheet" />
    <link rel="stylesheet" href="./index.css">

</head>
<body>
                <div id="surveyElement">
            </div>
    <div id="surveyResult"></div>

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

</body>
</html>

clearInvisibleValues
Clear values for invsible questions on survey complete, default value is "onComplete".

  • none - do no clear values for invisible questions.
  • onComplete - clear values for invisible questions survey completing. Before sending data to the server.
  • onHidden - immediately clear value after a question becomes invisible.
survey.clearInvisibleValues = yourValue; survey.render();