JavaScript/jQuery DeferRendering Options

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: undefined

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

activeStateEnabled

Specifies whether the UI component changes its visual state as a result of user interaction.

Type:

Boolean

Default Value: false

The UI component switches to the active state when users press down the primary mouse button. When this property is set to true, the CSS rules for the active state apply. You can change these rules to customize the component.

Use this property when you display the component 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.

Type:

AnimationConfig

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", "20vh", "80%", "inherit".

  • Function (deprecated since v21.2)
    Refer to the W0017 warning description for information on how you can migrate to viewport units.

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 is rendered and each time the component is repainted.

Type:

Function

Function parameters:
e:

ContentReadyEvent

Information about the event.

Object structure:
Name Type Description
model any

The model data. Available only if you use Knockout.
element

HTMLElement | jQuery

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

DeferRendering

The UI component's instance.
Default Value: null

onDisposing

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

Type:

Function

Function parameters:
e:

DisposingEvent

Information about the event.

Object structure:
Name Type Description
model any

The model data. Available only if you use Knockout.
element

HTMLElement | jQuery

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

DeferRendering

The UI component's instance.
Default Value: null

onInitialized

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

Type:

Function

Function parameters:
e:

InitializedEvent

Information about the event.

Object structure:
Name Type Description
element

HTMLElement | jQuery

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

DeferRendering

The UI component's instance.
Default Value: null

Angular
app.component.html
app.component.ts
<dx-defer-rendering ...
    (onInitialized)="saveInstance($event)">
</dx-defer-rendering>
import { Component } from "@angular/core";
import DeferRendering from "devextreme/ui/data_grid";
// ...
export class AppComponent {
    deferRenderingInstance: DeferRendering;
    saveInstance (e) {
        this.deferRenderingInstance = e.component;
    }
}
Vue
App.vue (Options API)
App.vue (Composition API)
<template>
    <div>
        <DxDeferRendering ...
            @initialized="saveInstance">
        </DxDeferRendering>
    </div>
</template>

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

export default {
    components: {
        DxDeferRendering
    },
    data: function() {
        return {
            deferRenderingInstance: null
        };
    },
    methods: {
        saveInstance: function(e) {
            this.deferRenderingInstance = e.component;
        }
    }
};
</script>
<template>
    <div>
        <DxDeferRendering ...
            @initialized="saveInstance">
        </DxDeferRendering>
    </div>
</template>

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

let deferRenderingInstance = null;

const saveInstance = (e) => {
    deferRenderingInstance = e.component;
}
</script>
React
App.js
import DeferRendering from 'devextreme-react/defer-rendering';

class App extends React.Component {
    constructor(props) {
        super(props);

        this.saveInstance = this.saveInstance.bind(this);
    }

    saveInstance(e) {
        this.deferRenderingInstance = e.component;
    }

    render() {
        return (
            <div>
                <DeferRendering onInitialized={this.saveInstance} />
            </div>
        );
    }
}
See Also
jQuery
  • Get a UI component Instance in jQuery
Angular
  • Get a UI component Instance in Angular
Vue
  • Get a UI component Instance in Vue
React
  • Get a UI component Instance in React

onOptionChanged

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

Type:

Function

Function parameters:
e:

OptionChangedEvent

Information about the event.

Object structure:
Name Type Description
value any

The modified property's new value.
previousValue any

The UI component's previous value.
name

String

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

Model data. Available only if you use Knockout.
fullName

String

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

HTMLElement | jQuery

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

DeferRendering

The UI component's instance.
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.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.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 | jQuery

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

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 | jQuery

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

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
});

DataGrid Demo Navigation UI Demo Editors Demo

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", "20vw", "80%", "auto", "inherit".

  • Function (deprecated since v21.2)
    Refer to the W0017 warning description for information on how you can migrate to viewport units.