On changing an answer, CopyValue Trigger copy value from one question to another., Knockoutjs Survey Library Example

Copy Value Trigger

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            Survey.StylesManager.applyTheme("default");
        


            
                var json = {
    textUpdateMode: "onTyping",
    triggers: [
        {
            type: 'copyvalue',
            expression: "{copyAddress} = 'Yes' and {billingaddress} notempty",
            setToName: 'shippingaddress',
            fromName: 'billingaddress',
        },
        {
            type: 'setvalue',
            expression: "{copyAddress} = 'No'",
            setToName: 'shippingaddress',
            setValue: '',
        },
    ],
    pages: [
        {
            title: 'Customer information',
            questions: [
                {
                    type: 'text',
                    name: 'name',
                    title: 'Name:',
                    isRequired: true,
                },
                {
                    type: 'comment',
                    name: 'billingaddress',
                    title: 'Billing address:',
                    isRequried: true,
                },
                {
                    type: 'radiogroup',
                    name: 'copyAddress',
                    title: 'is shipping address the same as billing',
                    choices: ['Yes', 'No'],
                    isRequired: true,
                    colCount: 0,
                },
                {
                    type: 'comment',
                    name: 'shippingaddress',
                    title: 'Shipping address:',
                    isRequried: true,
                    enableIf: "{copyAddress} != 'Yes'",
                },
            ],
        },
    ],
};

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

<!DOCTYPE html>
<html lang="en">
<head>
    <title>On changing an answer, CopyValue Trigger copy value from one question to another., Knockoutjs Survey Library Example</title>

<meta name="viewport" content="width=device-width" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.0/knockout-min.js"></script>
<script src="https://surveyjs.azureedge.net/1.7.18/survey.ko.js"></script>
<link href="https://surveyjs.azureedge.net/1.7.18/survey.css" type="text/css" rel="stylesheet" />
    <link rel="stylesheet" href="./index.css">

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

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

</body>
</html>

Copy Value Trigger

On changing an answer, CopyValue Trigger copy value from one question to another.

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