React HtmlEditor Props

Default Value: null

The value of this option will be passed to the accesskey attribute of the HTML element that underlies the widget.

activeStateEnabled

Specifies whether or not the widget changes its state when interacting with a user.

Type:

Default Value: false

This option is used when the widget is displayed on a platform whose guidelines include the active state change for widgets.

disabled

Specifies whether the widget responds to user interaction.

Type:

Default Value: false

elementAttr

Specifies the attributes to be attached to the widget's root element.

Type:

Default Value: {}

jQuery

$(function(){
    $("#htmlEditorContainer").dxHtmlEditor({
        // ...
        elementAttr: {
            id: "elementId",
            class: "class-name"
        }
    });
});

Angular

HTML

TypeScript

<dx-html-editor ...
    [elementAttr]="{ id: 'elementId', class: 'class-name' }">
</dx-html-editor>

import { DxHtmlEditorModule } from "devextreme-angular";
// ...
export class AppComponent {
    // ...
}
@NgModule({
    imports: [
        // ...
        DxHtmlEditorModule
    ],
    // ...
})

ASP.NET MVC Control

Razor C#

Razor VB

@(Html.DevExtreme().HtmlEditor()
    .ElementAttr("class", "class-name")
    // ===== or =====
    .ElementAttr(new {
        @id = "elementId",
        @class = "class-name"
    })
    // ===== or =====
    .ElementAttr(new Dictionary<string, object>() {
        { "id", "elementId" },
        { "class", "class-name" }
    })

)

@(Html.DevExtreme().HtmlEditor() _
    .ElementAttr("class", "class-name")
    ' ===== or =====
    .ElementAttr(New With {
        .id = "elementId",
        .class = "class-name"
    })
    ' ===== or =====
    .ElementAttr(New Dictionary(Of String, Object) From {
        { "id", "elementId" },
        { "class", "class-name" }
    })
)

focusStateEnabled

Specifies whether the widget can be focused using keyboard navigation.

Type:

Default Value: true

height

Specifies the widget's height.

Type:

|

|

Return Value:

|

The widget's height.

Default Value: undefined

This option accepts a value of one of the following types:

Number
The height in pixels.
String
A CSS-accepted measurement of height. For example, "55px", "80%", "auto", "inherit".
Function
A function returning either of the above. For example:
JavaScript
```
height: function() {
    return window.innerHeight / 1.5;
}
```

hint

Specifies text for a hint that appears when a user pauses on the widget.

Type:

Default Value: undefined

hoverStateEnabled

Specifies whether the widget changes its state when a user pauses on it.

Type:

Default Value: false

isValid

Specifies whether the editor's value is valid.

Type:

Default Value: true

name

The value to be assigned to the name attribute of the underlying HTML element.

Type:

Default Value: ''

Specify this option if the widget lies within an HTML form that will be submitted.

If you configure the widget as an ASP.NET MVC Control, use this option to bind the widget to a model property. If this model property contains Data Annotation validation attributes, you get the client-side validation enabled by default.

onContentReady

A function that is executed when the widget's content is ready and each time the content is changed.

Type:

Function parameters:

e:

Information about the event.

Object structure:

Name

Type

Description

component

HtmlEditor

The widget's instance.

element

HTMLElement | jQuery

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.

model

The model data. Available only when using Knockout.

Default Value: null

onDisposing

A function that is executed before the widget is disposed of.

Type:

Function parameters:

e:

Information about the event.

Object structure:

Name

Type

Description

component

HtmlEditor

The widget's instance.

element

HTMLElement | jQuery

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.

model

The model data. Available only if you use Knockout.

Default Value: null

onFocusIn

A function that is executed when the widget gets focus.

Type:

Function parameters:

e:

Information about the event that caused the function execution.

Object structure:

Name	Type	Description
event	Event (jQuery or EventObject)	The event that caused the function execution. It is a dxEvent or a jQuery.Event when you use jQuery.
model	Object	The model data. Available only if you use Knockout.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
component	HtmlEditor	The widget's instance.

Default Value: null

onFocusOut

A function that is executed when the widget loses focus.

Type:

Function parameters:

e:

Information about the event that caused the function execution.

Object structure:

Name	Type	Description
event	Event (jQuery or EventObject)	The event that caused the function execution. It is a dxEvent or a jQuery.Event when you use jQuery.
model	Object	The model data. Available only if you use Knockout.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
component	HtmlEditor	The widget's instance.

Default Value: null

onInitialized

A function used in JavaScript frameworks to save the widget instance.

Type:

Function parameters:

e:

Information about the event.

Object structure:

Name

Type

Description

component

HtmlEditor

The widget's instance.

element

HTMLElement | jQuery

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.

Default Value: null

onOptionChanged

A function that is executed after a widget option is changed.

Type:

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
name	String	The modified option if it belongs to the first level. Otherwise, the first-level option it is nested into.
model	Object	The model data. Available only if you use Knockout.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
component	HtmlEditor	The widget's instance.
fullName	String	The path to the modified option that includes all parent options.
value	any	The modified option's new value.

Default Value: null

onValueChanged

A function that is executed after the widget's value is changed.

Type:

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	HtmlEditor	The widget's instance.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
model	Object	The model data. Available only if Knockout is used.
value	Object	The widget's new value.
previousValue	Object	The widget's previous value.
jQueryEvent	jQuery.Event	Use 'event' instead. The jQuery event that caused the handler execution. Deprecated in favor of the event field.
event	Event (jQuery or EventObject)	The event that caused the handler execution. It is a dxEvent or a jQuery.Event when you use jQuery.

Default Value: null

placeholder

Specifies the text displayed when the input field is empty.

Type:

Default Value: ''

readOnly

A Boolean value specifying whether or not the widget is read-only.

Type:

Default Value: false

rtlEnabled

Switches the widget to a right-to-left representation.

Type:

Default Value: false

When this option is set to true, the widget text flows from right to left, and the layout of elements is reversed. To switch the entire application/site to the right-to-left representation, assign true to the rtlEnabled field of the object passed to the DevExpress.config(config) method.

JavaScript

DevExpress.config({
    rtlEnabled: true
});

tabIndex

Specifies the number of the element when the Tab key is used for navigating.

Type:

Number

Default Value: 0

The value of this option will be passed to the tabindex attribute of the HTML element that underlies the widget.

toolbar

Configures the widget's toolbar.

Type:

dxHtmlEditorToolbar

Default Value: null

DevExtreme HTML5 JavaScript HtmlEditor Toolbar

validationError

Specifies information on the validation error when using a custom validation engine. Should be changed at runtime along with the isValid option.

Type:

Default Value: undefined

validationMessageMode

Specifies how the message about the validation rules that are not satisfied by this editor's value is displayed.

Type:

Default Value: 'auto'

Accepted Values: 'always' | 'auto'

The following option values are possible:

auto
The tooltip with the message is displayed when the editor is in focus.
always
The tooltip with the message is not hidden when the editor loses focus.

Use the ValidationMessageMode enum to specify this option when the widget is used as an ASP.NET MVC Control. This enum accepts the following values: Auto and Always.

value

Specifies the widget's value.

Type: any

Default Value: null

Raised Events: onValueChanged

valueType

Specifies in which markup language the value is stored.

Type:

Default Value: 'html'

Accepted Values: 'html' | 'markdown'

NOTE

Markdown requires the turndown and showdown libraries. If you use browser scripts, link them before the DevExtreme scripts. If you use JavaScript modules, import the Markdown converter:

import "devextreme/ui/html_editor/converters/markdown";
// or
// require("ui/html_editor/converters/markdown");

View Demo

Use the HtmlEditorValueType enum to specify this option when the widget is used as an ASP.NET MVC Control. This enum accepts the following values: Html and Markdown.

variables

Configures variables, which are placeholders to be replaced with actual values when processing text.

Type:

dxHtmlEditorVariables

Default Value: null

A user can insert variables in the text and remove them, but never modify them.

jQuery

JavaScript

$(function(){
    $("#htmlEditorContainer").dxHtmlEditor({
        toolbar: {
            // Adds a toolbar control that allows users to insert variables
            items: [ "variable" ]
        },
        variables: {
            dataSource: [ "FirstName", "LastName", "Company" ],
            escapeChar: [ "{", "}" ]
        }
    })
})

Angular

HTML

TypeScript

<dx-html-editor>
    <!-- Adds a toolbar control that allows users to insert variables -->
    <dxo-toolbar [items]="[ 'variable' ]"></dxo-toolbar>
    <dxo-variables
        [dataSource]="[ 'FirstName', 'LastName', 'Company' ]"
        [escapeChar]="[ '{', '}' ]">
    </dxo-variables>
</dx-html-editor>

import { DxHtmlEditorModule } from "devextreme-angular";
// ...
export class AppComponent {
    // ...
}
@NgModule({
    imports: [
        // ...
        DxHtmlEditorModule
    ],
    // ...
})

visible

Specifies whether the widget is visible.

Type: