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v 1.8.52
v 1.8.52
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Conditional visibility

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


                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(sender) {
            document.querySelector('#surveyResult').textContent =
            "Result JSON:\n" + JSON.stringify(, null, 3);
            <Survey.Survey model={survey}  />, document.getElementById("surveyElement"));

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

<meta name="viewport" content="width=device-width" />
        <script src=""></script>
        <script src=""></script>
        <script src=""></script>
        <script src=""></script>
    <script src="/DevBuilds/survey-react/survey.react.min.js"></script>
    <link href="/DevBuilds/survey-core/modern.min.css" type="text/css" rel="stylesheet" />
    <link rel="stylesheet" href="./index.css">

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

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



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();