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acceptedTypes
property
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Accepted file types. Passed to the 'accept' attribute of the file input tag. See https://www.w3schools.com/tags/att_input_accept.asp for more details.
Type:
string
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
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addError
method
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Add error into the question error list.
Type:
(error: SurveyError) => void
Parameters:
error, type: SurveyError
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allowMultiple
property
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Set it to true, to allow select multiple files.
Type:
boolean
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
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clear
method
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Clear value programmatically.
Type:
(doneCallback?: () => void) => void
Parameters:
doneCallback, type: () => void
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clearIncorrectValues
method
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Call this function to remove values from the current question, that end-user will not be able to enter.
For example the value that doesn't exists in a radigroup/dropdown/checkbox choices or matrix rows/columns.
Type:
() => void
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correctAnswer
property
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The correct answer on the question. Set this value if you are doing a quiz.
Type:
any
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
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cssClasses
property
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Returns all css classes that used for rendering the question. You may use survey.updateQuestionCssClasses event to override css classes for a question.
Type:
any
readonly
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currentErrorCount
property
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Returns the validation errors count.
Type:
number
readonly
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customWidget
property
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The link to the custom widget.
Type:
QuestionCustomWidget
readonly
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defaultValue
property
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Set the default value to the question. It will be assign to the question on loading the survey from JSON or adding a question to the survey or on setting this property of the value is empty.
Type:
any
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
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description
property
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Question description. It renders under question title by using smaller font. Unlike the title, description can be empty.
Type:
string
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
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enableIf
property
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An expression that returns true or false. If it returns false the Question becomes read only and an end-user will not able to answer on the qustion. The library runs the expression on survey start and on changing a question value. If the property is empty then readOnly property is used.
Type:
string
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
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focus
method
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Move the focus to the input of this question.
Type:
(onError?: boolean) => void
Parameters:
onError, type: boolean
, set this parameter to true, to focus the input with the first error, other wise the first input will be focused.
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fullTitle
property
|
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Returns the title after processing the question template.
Type:
string
readonly
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getAllErrors
method
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Returns a copy of question errors survey. For some questions like matrix and panel dynamic it includes the errors of nested questions.
Type:
() => SurveyError[]
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getDisplayValue
method
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Return the question value as a display text. For example, for dropdown, it would return the item text instead of item value.
Type:
(keysAsText: boolean) => any
Parameters:
keysAsText, type: boolean
, Set this value to true, to return key (in matrices questions) as display text as well.
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getLocale
method
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Returns the current survey locale
Type:
() => string
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getPlainData
method
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Returns question answer data as a plain object: with question title, name, value and displayValue.
For complex questions (like matrix, etc.) isNode flag is set to true and data contains array of nested objects (rows)
set options.includeEmpty to false if you want to skip empty answers
Type:
(options?: { includeEmpty?: boolean; calculations?: { propertyName: string; }[]; }) => any
Parameters:
options, type: { includeEmpty?: boolean; calculations?: { propertyName: string; }[]; }
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getTitleLocation
method
|
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Return the title location based on question titleLocation property and QuestionTitleLocation of it's parents
Type:
() => string
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getType
method
|
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Returns the type of the object as a string as it represents in the json.
Type:
() => string
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hasErrors
method
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Returns true if there is a validation error(s) in the question.
Type:
(fireCallback?: boolean) => boolean
Parameters:
fireCallback, type: boolean
, set it to true to show an error in UI.
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hasInput
property
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Returns false if the question doesn't have an input element, for example: QuestionHtmlModel
Type:
boolean
readonly
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hasTitle
property
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Returns false if the question doesn't have a title property, for example: QuestionHtmlModel, or titleLocation property equals to "hidden"
Type:
boolean
readonly
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id
property
|
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The unique identificator. It is generated automatically.
Type:
string
writable
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imageHeight
property
|
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The image height.
Type:
string
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
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imageWidth
property
|
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The image width.
Type:
string
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
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indent
property
|
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Set it different from 0 to increase the left padding.
Type:
number
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
You may set the following values into this property:
0
, 1
, 2
, 3
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isAllowTitleLeft
property
|
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Returns true if the question may have a title located on the left
Type:
boolean
readonly
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isEmpty
method
|
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Returns true if the question value is empty
Type:
() => boolean
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isPanel
property
|
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Always returns false.
Type:
boolean
readonly
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isReadOnly
property
|
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Retuns true if readOnly property is true or survey is in display mode or parent panel/page is readOnly.
Type:
boolean
readonly
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isRequired
property
|
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Set this property to true, to make the question a required. If a user doesn't answer the question then a validation error will be generated.
Type:
boolean
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
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isVisible
property
|
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Returns true if the question is visible or survey is in design mode right now.
Type:
boolean
readonly
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loadFiles
method
|
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Load multiple files programmatically.
Type:
(files: File[]) => void
Parameters:
files, type: File[]
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maxSize
property
|
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Use this property to setup the maximum allowed file size.
Type:
number
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
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no
property
|
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The property returns the question number. If question is invisible then it returns empty string.
If visibleIndex is 1, then no is 2, or 'B' if survey.questionStartIndex is 'A'.
Type:
string
readonly
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onStateChanged
event
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The event is fired after question state has been changed.
sender the question object that fires the event
options.state new question state value.
Type:
Event<(sender: QuestionFileModel, options: any) => any, any>
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page
property
|
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Get/set the page where the question is located.
Type:
IPage
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
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parent
property
|
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A parent element. It can be panel or page.
Type:
IPanel
writable
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processedTitle
property
|
|
Returns the rendred question title.
Type:
string
readonly
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removeError
method
|
|
Remove a particular error from the question error list.
Type:
(error: SurveyError) => void
Parameters:
error, type: SurveyError
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removeFile
method
|
|
Remove file item programmatically.
Type:
(content: { name: string; }) => void
Parameters:
content, type: { name: string; }
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renderWidth
property
|
|
The rendered width of the question.
Type:
string
writable
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requiredErrorText
property
|
|
The custom text that will be shown on required error. Use this property, if you do not want to show the default text.
Type:
string
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
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requiredIf
property
|
|
An expression that returns true or false. If it returns true the Question becomes required and an end-user has to answer it.
If it returns false the Question then an end-user may not answer it the Question maybe empty.
The library runs the expression on survey start and on changing a question value. If the property is empty then isRequired property is used.
Type:
string
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
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requiredText
property
|
|
Returns the char/string for a required question.
Type:
string
readonly
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rightIndent
property
|
|
Set it different from 0 to increase the right padding.
Type:
number
writable
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runCondition
method
|
|
Run visibleIf and enableIf expressions. If visibleIf or/and enabledIf are not empty, then the results of performing the expression (true or false) set to the visible/readOnly properties.
Type:
(values: HashTable<any>, properties: HashTable<any>) => void
Parameters:
values, type: HashTable<any>
, Typically survey results
properties, type: HashTable<any>
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showPreview
property
|
|
Set it to true, to show the preview for the image files.
Type:
boolean
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
The default value is:
True
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startWithNewLine
property
|
|
The Question renders on the new line if the property is true. If the property is false, the question tries to render on the same line/row with a previous question/panel.
Type:
boolean
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
The default value is:
True
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storeDataAsText
property
|
|
Set it to false if you do not want to serialize file content as text in the survey.data.
In this case, you have to write the code onUploadFiles event to store the file content.
Type:
boolean
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
The default value is:
True
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title
property
|
|
Question title. Use survey questionTitleTemplate property to change the title question is rendered. If it is empty, then question name property is used.
Type:
string
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
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titleLocation
property
|
|
Set this property different from "default" to set the specific question title location for this panel/page.
Type:
string
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
The default value is:
default
You may set the following values into this property:
default
, top
, bottom
, left
, hidden
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useDisplayValuesInTitle
property
|
|
Use it to choose how other question values will be rendered in title if referenced in {}.
Type:
boolean
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
The default value is:
True
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validators
property
|
|
The list of question validators.
Type:
SurveyValidator[]
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
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value
property
|
|
Get/Set the question value.
Type:
any
writable
|
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|
|
valueName
property
|
|
Use this property if you want to store the question result in the name different from the question name.
Question name should be unique in the survey and valueName could be not unique. It allows to share data between several questions with the same valueName.
The library set the value automatically if the question.name property is not valid. For example, if it contains the period '.' symbol.
In this case if you set the question.name property to 'x.y' then the valueName becomes 'x y'.
Type:
string
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
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visible
property
|
|
Use it to get/set the question visibility.
Type:
boolean
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
The default value is:
True
|
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|
visibleIf
property
|
|
An expression that returns true or false. If it returns true the Question becomes visible and if it returns false the Question becomes invisible. The library runs the expression on survey start and on changing a question value. If the property is empty then visible property is used.
Type:
string
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
|
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visibleIndex
property
|
|
Returns the visible index of the question in the survey. It can be from 0 to all visible questions count - 1
Type:
number
readonly
|
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|
|
waitForUpload
property
|
|
Set it to true if you want to wait until files will be uploaded to your server.
Type:
boolean
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
|
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width
property
|
|
Use it to set the specific width to the question like css style (%, px, em etc).
Type:
string
writable
The property is serializable. It is stored in survey json and you can edit it in the SurveyJS Creator.
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