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Configuration

An object defining configuration properties for the UI component.

accessKey

Specifies the shortcut key that sets focus on the UI component.

Type:

String

Default Value: null

The value of this property will be passed to the accesskey attribute of the HTML element that underlies the UI component.

activeStateEnabled

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

Type:

Boolean

Default Value: false

This property is used when the UI component is displayed on a platform whose guidelines include the active state change for UI components.

animation

Specifies the animation to be used to show the rendered content.

Default Value: undefined

You can pass a configuration object defining the required animation or the name of one of the registered animations.

Note that you can specify a staggered animation so that content elements with a similar selector are animated using the specified animation one after another with a specified delay.

disabled

Specifies whether the UI component responds to user interaction.

Type:

Boolean

Default Value: false

elementAttr

Specifies the global attributes to be attached to the UI component's container element.

Type:

Object

Default Value: {}

jQuery
$(function(){
    $("#deferRenderingContainer").dxDeferRendering({
        // ...
        elementAttr: {
            id: "elementId",
            class: "class-name"
        }
    });
});
Angular
HTML
TypeScript
<dx-defer-rendering ...
    [elementAttr]="{ id: 'elementId', class: 'class-name' }">
</dx-defer-rendering>
import { DxDeferRenderingModule } from "devextreme-angular";
// ...
export class AppComponent {
    // ...
}
@NgModule({
    imports: [
        // ...
        DxDeferRenderingModule
    ],
    // ...
})
Vue
App.vue
<template>
    <DxDeferRendering ...
        :element-attr="deferRenderingAttributes">
    </DxDeferRendering>
</template>

<script>
import DxDeferRendering from 'devextreme-vue/defer-rendering';

export default {
    components: {
        DxDeferRendering
    },
    data() {
        return {
            deferRenderingAttributes: {
                id: 'elementId',
                class: 'class-name'
            }
        }
    }
}
</script>
React
App.js
import React from 'react';

import DeferRendering from 'devextreme-react/defer-rendering';

class App extends React.Component {
    deferRenderingAttributes = {
        id: 'elementId',
        class: 'class-name'
    }

    render() {
        return (
            <DeferRendering ...
                elementAttr={this.deferRenderingAttributes}>
            </DeferRendering>
        );
    }
}
export default App;

focusStateEnabled

Specifies whether the UI component can be focused using keyboard navigation.

Type:

Boolean

Default Value: false

height

Specifies the UI component's height.

Type:

Number

|

String

|

Function

Return Value:

Number

|

String

The UI component's height.

Default Value: undefined

This property 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%", "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 UI component.

Type:

String

Default Value: undefined

hoverStateEnabled

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

Type:

Boolean

Default Value: false

onContentReady

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

Type:

Function

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

DeferRendering

The UI component's instance.

element

HTMLElement or jQuery

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

model

Object

Model data. Available only when using Knockout.

Default Value: null

onDisposing

A function that is executed before the UI component is disposed of.

Type:

Function

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

DeferRendering

The UI component's instance.

element

HTMLElement or jQuery

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

model

Object

Model data. Available only if you use Knockout.

Default Value: null

onInitialized

A function used in JavaScript frameworks to save the UI component instance.

Type:

Function

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

DeferRendering

The UI component's instance.

element

HTMLElement or jQuery

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

Default Value: null

See Also

onOptionChanged

A function that is executed after a UI component property is changed.

Type:

Function

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

DeferRendering

The UI component's instance.

fullName

String

The path to the modified property that includes all parent properties.

name

String

The modified property if it belongs to the first level. Otherwise, the first-level property it is nested into.

value any

The modified property's new value.

element

HTMLElement or jQuery

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

model

Object

Model data. Available only if you use Knockout.

Default Value: null

The following example shows how to subscribe to component property changes:

jQuery
index.js
$(function() {
    $("#deferRenderingContainer").dxDeferRendering({
        // ...
        onOptionChanged: function(e) {
            if(e.name === "changedProperty") {
                // handle the property change here
            }
        }
    });
});
Angular
app.component.html
app.component.ts
app.module.ts
<dx-defer-rendering ...
    (onOptionChanged)="handlePropertyChange($event)"> 
</dx-defer-rendering>
import { Component } from '@angular/core'; 

@Component({ 
    selector: 'app-root', 
    templateUrl: './app.component.html', 
    styleUrls: ['./app.component.css'] 
}) 

export class AppComponent { 
    // ...
    handlePropertyChange(e) {
        if(e.name === "changedProperty") { 
            // handle the property change here
        }
    }
}
import { BrowserModule } from '@angular/platform-browser'; 
import { NgModule } from '@angular/core'; 
import { AppComponent } from './app.component'; 
import { DxDeferRenderingModule } from 'devextreme-angular'; 

@NgModule({ 
    declarations: [ 
        AppComponent 
    ], 
    imports: [ 
        BrowserModule, 
        DxDeferRenderingModule 
    ], 
    providers: [ ], 
    bootstrap: [AppComponent] 
}) 

export class AppModule { }  
Vue
App.vue
<template> 
    <DxDeferRendering ...
        @option-changed="handlePropertyChange"
    />            
</template> 

<script> 
import 'devextreme/dist/css/dx.common.css'; 
import 'devextreme/dist/css/dx.light.css'; 
import DxDeferRendering from 'devextreme-vue/defer-rendering'; 

export default { 
    components: { 
        DxDeferRendering
    }, 
    // ...
    methods: { 
        handlePropertyChange: function(e) {
            if(e.name === "changedProperty") {
                // handle the property change here
            }
        }
    } 
} 
</script> 
React
App.js
import React from 'react'; 
import 'devextreme/dist/css/dx.common.css'; 
import 'devextreme/dist/css/dx.light.css'; 

import DeferRendering from 'devextreme-react/defer-rendering'; 

const handlePropertyChange = (e) => {
    if(e.name === "changedProperty") {
        // handle the property change here
    }
}

export default function App() { 
    return ( 
        <DeferRendering ...
            onOptionChanged={handlePropertyChange}
        />        
    ); 
} 

onRendered

A function that is executed when the content is rendered but not yet displayed.

Type:

Function

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

DeferRendering

The UI component's instance.

element

HTMLElement or jQuery

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

model

Object

Model data. Available only if Knockout is used.

Default Value: null

onShown

A function that is executed when the content is displayed and animation is completed.

Type:

Function

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

DeferRendering

The UI component's instance.

element

HTMLElement or jQuery

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

model

Object

Model data. Available only if Knockout is used.

Default Value: null

renderWhen

Specifies when the UI component content is rendered.

Type:

Promise<void> (jQuery or native)

|

Boolean

Default Value: undefined

The UI component content is rendered when this property is set to true, or when a Promise assigned to this property is resolved.

rtlEnabled

Switches the UI component to a right-to-left representation.

Type:

Boolean

Default Value: false

When this property is set to true, the UI component 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
});
See Also

showLoadIndicator

Indicates if a load indicator should be shown until the UI component's content is rendered.

Type:

Boolean

Default Value: false

staggerItemSelector

Specifies a jQuery selector of items that should be rendered using a staggered animation.

Type:

String

Default Value: undefined

Elements with the selector specified by this property will be searched within the UI component's content. The found elements will be shown with animation specified by the animation property. If the specified animation is staggered, the elements will be animated one after another with the delay specified within the animation's configuration.

tabIndex

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

Type:

Number

Default Value: 0

The value of this property will be passed to the tabindex attribute of the HTML element that underlies the UI component.

visible

Specifies whether the UI component is visible.

Type:

Boolean

Default Value: true

width

Specifies the UI component's width.

Type:

Number

|

String

|

Function

Return Value:

Number

|

String

The UI component's width.

Default Value: undefined

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

  • Number
    The width in pixels.

  • String
    A CSS-accepted measurement of width. For example, "55px", "80%", "auto", "inherit".

  • Function
    A function returning either of the above. For example:

    JavaScript
    width: function() {
        return window.innerWidth / 1.5;
    }