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://unpkg.com/knockout@3.5.1/build/output/knockout-latest.js"></script>
<script src="/DevBuilds/survey-knockout/survey.ko.min.js"></script>
<link href="/DevBuilds/survey-knockout/survey.min.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>