Use rowsVisibleIf property to show/hide rows in matrix dropdown question, jQuery Survey Library Example

Show/Hide rows in matrix dropdown question

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            Survey.StylesManager.applyTheme("modern");
        

//add barrating type into matrix columns (run-time)
Survey.matrixDropdownColumnTypes.barrating = {
    properties: ["choices"],
    onCellQuestionUpdate: function(cellQuestion, column, question, data) {
        Survey.matrixDropdownColumnTypes.dropdown.onCellQuestionUpdate(cellQuestion, column, question, data);
    }
};
            
                var json = {
    questions: [
        {
            type: "checkbox",
            name: "car",
            title: "What cars have you being drived?",
            isRequired: true,
            colCount: 4,
            "choicesOrder": "asc",
            choices: [
                "Audi",
                "BMW",
                "Citroen",
                "Ford",
                "Mercedes-Benz",
                "Nissan",
                "Peugeot",
                "Tesla",
                "Toyota",
                "Vauxhall",
                "Volkswagen"
            ]
        }, {
            "type": "matrixdropdown",
            "name": "carrating",
            isRequired: true,
            "visibleIf": "{car.length} > 0",
            "title": "Please rate these car(s)?",
            "rowsVisibleIf": "{car} contains {item}",
            cellType: "barrating",
            choices: [1, 2, 3, 4, 5],
            "columns": [
                { name: "Style", isRequired: true },
                { name: "Performance", isRequired: true },
                { name: "Comfort", isRequired: true },
                { name: "Quality", isRequired: true },
                { name: "Safety", isRequired: true },
                { name: "Features", isRequired: true }
            ],
            "rows": [
                "Audi",
                "BMW",
                "Citroen",
                "Ford",
                "Mercedes-Benz",
                "Nissan",
                "Peugeot",
                "Tesla",
                "Toyota",
                "Vauxhall",
                "Volkswagen"
            ]
        }
    ]
};
;

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

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    <title>Use rowsVisibleIf property to show/hide rows in matrix dropdown question, jQuery Survey Library Example</title>

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            <div id="surveyElement" style="display:inline-block;width:100%;">
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</body>
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You may use expression properties:

choicesVisibleIf in radio group, checkbox and dropdown questions.
columnsVisibleIf and rowsVisibleIf in matrix question
and rowsVisibleIf in matrix dropdown question

to hide/show choices items, columns and rows in these questions. The expression runs against each choices item. To get the current item value, please use {item} variable in your expression.

The following expression below means: the item is shown if, the same value is checked in the {car} question and it is not selected in the {bestcar} question.

{car} contains {item} and {item}!= {bestcar}

Every ItemValue object has its own visibleIf property. You may override the top level choicesVisibleIf property and define visibleIf expression for an individual choice item.

Show/Hide rows in matrix dropdown question

Use rowsVisibleIf property to show/hide rows in matrix dropdown question

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