Survey.StylesManager.applyTheme("bootstrap");
Survey.defaultBootstrapCss.navigationButton = "btn btn-green";
function MyTextValidator(params) {
var value = params[0];
return value.indexOf("survey");
}
// Register the function for use in SurveyJS expressions
Survey.FunctionFactory.Instance.register("MyTextValidator", MyTextValidator);
var json = {
"questions": [
{
"type": "comment",
"name": "memo",
"isRequired": true,
"title": "Type here 'survey' to pass the validation ",
"validators": [
{
"type": "expression",
"text": "You text should contains 'survey' word.",
"expression": "MyTextValidator({memo}) >= 0"
}
]
}
]
};
window.survey = new Survey.Model(json);
survey.onComplete.add(function(result) {
document.querySelector('#surveyResult').textContent =
"Result JSON:\n" + JSON.stringify(result.data, null, 3);
});
var app = new Vue({
el: '#surveyElement',
data:
{
survey: survey
}
});
<!DOCTYPE html>
<html lang="en">
<head>
<title>Example of creating a custom validator using a custom function in expressions, Vue Survey Library Example</title>
<meta name="viewport" content="width=device-width" />
<script src="https://unpkg.com/vue/dist/vue.js"></script>
<script src="/DevBuilds/survey-vue/survey.vue.min.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" style="display:inline-block;width:100%;">
<survey :survey='survey' />
</div>
<div id="surveyResult"></div>
<script type="text/javascript" src="./index.js"></script>
</body>
</html>
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