SetValue Trigger - on changing the question, change values of other questions.
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Survey.Survey.cssType = "bootstrap";
Survey.defaultBootstrapCss.navigationButton = "btn btn-green";

window.survey = new Survey.Model({
        triggers: [
            { type: "setvalue", name: "copy", operator: "equal", value: "Yes", setToName: "name", setValue: "Jon Snow" },
            { type: "setvalue", name: "copy", operator: "equal", value: "Yes", setToName: "email", setValue: "jon.snow@nightwatch.com" },
            { type: "setvalue", name: "copy", operator: "equal", value: "Yes", setToName: "tempvar", isVariable: true, setValue: "You have decided to use your current information." },
            { type: "setvalue", name: "copy", operator: "equal", value: "No", setToName: "name", setValue: "" },
            { type: "setvalue", name: "copy", operator: "equal", value: "No", setToName: "email", setValue: "" },
            { type: "setvalue", name: "copy", operator: "equal", value: "No", setToName: "tempvar", isVariable: true, setValue: "You have decided not to use your current information." }
            ],
        pages: [
        { title: "Customer information",
            questions: [
                {type:"radiogroup", name:"copy", title: "Use your current data", choices:["Yes", "No"], isRequired: true, colCount: 0},
                {type: "text", name: "name", title: "Name:", isRequired: true}, 
                {type: "text", name: "email", title: "Your e-mail", isRequired: true, validators: [{type:"email"}]}]
        }],
        completedHtml: "<p><h4>Thank you for sharing this information with us.</h4></p><p>Your name is: <b>{name}</b></p><p>Your email is: <b>{email}</b></p><p>This information is not in the survey data result:<b> {tempvar}</b></p>"
        });
survey.onComplete.add(function(result) {
	document.querySelector('#surveyResult').innerHTML = "result: " + JSON.stringify(result.data);
});


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


<!DOCTYPE html>
<html>

<head>
    <title>Welcome to JQuery</title>
    <script src="https://unpkg.com/jquery"></script>
    
    <script src="https://surveyjs.azureedge.net/0.12.22/survey.jquery.js"></script>
    
    
    <link rel="stylesheet" href="https://unpkg.com/bootstrap@3.3.7/dist/css/bootstrap.min.css">
    <link rel="stylesheet" href="./index.css">
</head>

<body>
    <div id="surveyElement"></div>
    <div id="surveyResult"></div>
    <script src="./index.js"></script>
</body>

</html>

.btn-green {
  background-color: #1ab394;
  color: #fff;
  border-radius: 3px;
}

.btn-green:hover, .btn-green:focus {
    background-color: #18a689;
    color: #fff;
}

.panel-footer {
    text-align: right;
    background-color: #fff;
}