Expression Validator

Expression validator

                        

    
        Survey.StylesManager.applyTheme("default");
    


var json = {
   "elements": [
    {
     "type": "rating",
     "name": "serviceRate",
     "title": "How do you rate our service?",
     "isRequired": true,
     "rateMax": 10
    },
    {
     "type": "comment",
     "name": "serviceComment",
     "title": "Please write us your opinion about the service (required if you rate us 7 or higher)",
     "validators": [
      {
       "type": "expression",
       "text": "Please tell us your opinion.",
       "expression": "{serviceRate} < 7 or {serviceComment} notempty"
      }
     ]
    }
   ]
};

window.survey = new Survey.Model(json);


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


function onAngularComponentInit() {
    Survey.SurveyNG.render("surveyElement", { 
        model: survey 
    });
}
var HelloApp =
    ng.core
        .Component({
            selector: 'ng-app',
            template: '<div id="surveyContainer" class="survey-container contentcontainer codecontainer"><div id="surveyElement"></div></div> '})
        .Class({
            constructor: function() {
            },
            ngOnInit: function() {
                onAngularComponentInit();
            }
    });
document.addEventListener('DOMContentLoaded', function() {
    ng.platformBrowserDynamic.bootstrap(HelloApp);
});


                    
<!DOCTYPE html>
<html>
<head>
    <title>Expression validator, Angular2 Survey Library Example</title>


    <meta name="viewport" content="width=device-width, initial-scale=1">
    <script src="https://npmcdn.com/zone.js@0.8.17/dist/zone.js"></script>
    <script src="https://npmcdn.com/core-js@2.6.5/client/shim.min.js"></script>
    <script src="https://npmcdn.com/rxjs@5.0.0-beta.6/bundles/Rx.umd.js"></script>
    <script src="https://npmcdn.com/@angular/core@2.0.0-rc.5/bundles/core.umd.js"></script>
    <script src="https://npmcdn.com/@angular/common@2.0.0-rc.5/bundles/common.umd.js"></script>
    <script src="https://npmcdn.com/@angular/compiler@2.0.0-rc.5/bundles/compiler.umd.js"></script>
    <script src="https://npmcdn.com/@angular/platform-browser@2.0.0-rc.5/bundles/platform-browser.umd.js"></script>
    <script src="https://npmcdn.com/@angular/platform-browser-dynamic@2.0.0-rc.5/bundles/platform-browser-dynamic.umd.js"></script>
<script src="https://surveyjs.azureedge.net/1.1.12/survey.angular.js"></script>
<link href="https://surveyjs.azureedge.net/1.1.12/survey.css" type="text/css" rel="stylesheet" />
    <link rel="stylesheet" href="./index.css">

</head>
<body>
            <ng-app></ng-app>
    <div id="surveyResult"></div>

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

</body>
</html>