Configuration

An object defining configuration properties for the Tooltip UI component.

See Also

animation

Configures UI component visibility animations. This object contains two fields: show and hide.

Type:

Object

Default Value: { show: { type: 'fade', from: 0, to: 1 }, hide: { type: 'fade', to: 0 } }

Set this object to null or undefined to disable animation.

closeOnOutsideClick

Specifies whether to close the UI component if a user clicks outside the popover window or outside the target element.

Type:

Boolean

|

Function

Function parameters:
event:

Event (jQuery or EventObject)

The event that caused UI component closing. It is a EventObject or a jQuery.Event when you use jQuery.

Return Value:

Boolean

true if the UI component should be closed; otherwise false.

Default Value: true

The function passed to this property enables you to specify a custom condition for UI component closing. For instance, you can prevent closing until a user clicks a certain element.

jQuery
JavaScript
$(function () {
    $("#tooltipContainer").dxTooltip({
        // ...
        closeOnOutsideClick: function(e) {
            return e.target === $("#someElement").get()[0];
        }
    });
});
Angular
TypeScript
HTML
import { DxTooltipModule } from "devextreme-angular";
// ...
export class AppComponent {
    // ...
    closeOnOutsideClick(e) {
        return e.target === document.getElementById("someElement");
    }
}
@NgModule({
     imports: [
         // ...
         DxTooltipModule
     ],
     // ...
 })
<dx-tooltip ...
    [closeOnOutsideClick]="closeOnOutsideClick">
</dx-tooltip>
Vue
App.vue
<template>
    <DxTooltip ....
        :close-on-outside-click="closeOnOutsideClick">
    </DxTooltip>
</template>

<script>
import 'devextreme/dist/css/dx.light.css';

import DxTooltip from 'devextreme-vue/tooltip';

export default {
    components: {
        DxTooltip
    },
    methods: {
        closeOnOutsideClick (e) {
            return e.target === document.getElementById("someElement");
        }
    }
}
</script>
React
App.js
import React from 'react';
import 'devextreme/dist/css/dx.light.css';

import Tooltip from 'devextreme-react/tooltip';

const closeOnOutsideClick = (e) => {
    return e.target === document.getElementById("someElement");
};

export default function App() {
    return (
        <Tooltip ...
            closeOnOutsideClick={closeOnOutsideClick}>
        </Tooltip>
    );
}

The closeOnOutsideClick function is called when a user clicks the UI component or outside it.

Popup Demo

container

Specifies the container in which to render the UI component.

Default Value: undefined

The container is defined during the UI component's initialization. The container by default is the viewport. If the viewport is not found, it is the body element. If the viewport and the body element are absent, the container is the parent element.

contentComponent

An alias for the contentTemplate property specified in React. Accepts a custom component. Refer to Using a Custom Component for more information.

contentRender

An alias for the contentTemplate property specified in React. Accepts a rendering function. Refer to Using a Rendering Function for more information.

contentTemplate

Specifies a custom template for the UI component content.

Type:

template

Template Data: undefined
Default Name: 'content'

copyRootClassesToWrapper Deprecated

Copies your custom CSS classes from the root element to the wrapper element.

Type:

Boolean

Default Value: false

This property allows you to use CSS for wrapper element configuration. You can customize the shade, resize, and drag zones.

The following markup illustrates relations between wrapper and root elements when you set copyRootClassesToWrapper to true:

HTML
<body>

    <!-- The following element is the root element on which the component is initialized. -->
    <!-- Specify classes to be copied to the wrapper element here. -->
    <div id="tooltip" class="custom-class" ... ></div>

    <!-- The following element is the wrapper element. -->
    <!-- Custom classes are automatically copied from the root element. -->
    <div class="dx-overlay-wrapper dx-tooltip-wrapper custom-class" ... > 

        <!-- The following element contains component content. -->
        <div class="dx-overlay-content" ... >
            <!-- ... -->
        </div>
    </div>
</body>

deferRendering

Specifies whether to render the UI component's content when it is displayed. If false, the content is rendered immediately.

Type:

Boolean

Default Value: true

disabled

Specifies whether the UI component responds to user interaction.

Type:

Boolean

Default Value: false

elementAttr Deprecated

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

Type: any
Default Value: {}

jQuery
$(function(){
    $("#tooltipContainer").dxTooltip({
        // ...
        elementAttr: {
            id: "elementId",
            class: "class-name"
        }
    });
});
Angular
HTML
TypeScript
<dx-tooltip ...
    [elementAttr]="{ id: 'elementId', class: 'class-name' }">
</dx-tooltip>
import { DxTooltipModule } from "devextreme-angular";
// ...
export class AppComponent {
    // ...
}
@NgModule({
    imports: [
        // ...
        DxTooltipModule
    ],
    // ...
})
Vue
App.vue
<template>
    <DxTooltip ...
        :element-attr="tooltipAttributes">
    </DxTooltip>
</template>

<script>
import DxTooltip from 'devextreme-vue/tooltip';

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

import Tooltip from 'devextreme-react/tooltip';

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

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

height

Specifies the UI component's height.

Type:

Number

|

String

|

Function

Return Value:

Number

|

String

The UI component height.

Default Value: 'auto'
Raised Events: resize

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.

hideEvent

Specifies properties of popover hiding. Ignored if the shading property is set to true.

Type:

Object

|

String

Default Value: undefined

If you assign only a string that specifies event names on which the UI component is hidden, the UI component will not apply any delay.

JavaScript
hideEvent: "mouseleave"

hideOnParentScroll

Specifies whether to hide the Tooltip when users scroll one of its parent elements.

Type:

Boolean

Default Value: true

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

maxHeight

Specifies the maximum height the UI component can reach while resizing.

Type:

Number

|

String

|

Function

Return Value:

Number

|

String

The maximum height.

Default Value: null

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.

maxWidth

Specifies the maximum width the UI component can reach while resizing.

Type:

Number

|

String

|

Function

Return Value:

Number

|

String

The maximum width.

Default Value: null

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.

minHeight

Specifies the minimum height the UI component can reach while resizing.

Type:

Number

|

String

|

Function

Return Value:

Number

|

String

The minimum height.

Default Value: null

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.

minWidth

Specifies the minimum width the UI component can reach while resizing.

Type:

Number

|

String

|

Function

Return Value:

Number

|

String

The minimum width.

Default Value: null

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.

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

Tooltip

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 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

Tooltip

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 you use Knockout.

Default Value: null

onHidden

A function that is executed after the UI component is hidden.

Type:

Function

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Tooltip

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

onHiding

A function that is executed before the UI component is hidden.

Type:

Function

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
cancel

Boolean

Set this field to true if you want the Tooltip to remain visible.

component

Tooltip

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

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

Tooltip

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.

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

Tooltip

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 | 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 you use Knockout.

Default Value: null

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

jQuery
index.js
$(function() {
    $("#tooltipContainer").dxTooltip({
        // ...
        onOptionChanged: function(e) {
            if(e.name === "changedProperty") {
                // handle the property change here
            }
        }
    });
});
Angular
app.component.html
app.component.ts
app.module.ts
<dx-tooltip ...
    (onOptionChanged)="handlePropertyChange($event)"> 
</dx-tooltip>
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 { DxTooltipModule } from 'devextreme-angular'; 

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

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

<script>  
import 'devextreme/dist/css/dx.light.css'; 
import DxTooltip from 'devextreme-vue/tooltip'; 

export default { 
    components: { 
        DxTooltip
    }, 
    // ...
    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 Tooltip from 'devextreme-react/tooltip'; 

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

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

onShowing

A function that is executed before the UI component is displayed.

Type:

Function

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Tooltip

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.

cancel

Boolean

Set this field to true if you want to prevent the Tooltip from being displayed.

Default Value: null

onShown

A function that is executed after the UI component is displayed.

Type:

Function

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Tooltip

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

position

An object defining UI component positioning properties.

Default Value: { my: 'top center', at: 'bottom center', collision: 'fit flip' }
Accepted Values: 'bottom' | 'left' | 'right' | 'top'
Raised Events: positioned

You can use the position.of property and the Popover's target property to specify the element against which the UI component will be positioned. If you set both these properties, position.of takes precedence.

Besides the position configuration object, the property can take on the following string values, which are shortcuts for the corresponding position configuration.

  • "top" - places the popover over the target element
  • "bottom" - places the popover under the target element
  • "left" - places the popover to the left of the target element
  • "right" - places the popover to the right of the target element

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

shading

Specifies whether to shade the background when the UI component is active.

Type:

Boolean

Default Value: false

Shading is applied to the first element with a position value different from static. The sequence is the following: container => parent elements => window.

shadingColor

Specifies the shading color. Applies only if shading is enabled.

Type:

String

Default Value: ''

This property supports the following colors:

showEvent

Specifies properties for displaying the UI component.

Type:

Object

|

String

Default Value: undefined

If you assign only a string that specifies event names on which the UI component is shown, the UI component will not apply any delay.

JavaScript
showEvent: "mouseenter"

target

The target element associated with the Tooltip.

Default Value: undefined

This property accepts one of the following values.

  • A CSS selector, or a jQuery selector if you use jQuery

    target: '#targetElement';
  • A jQuery wrapper

    target: $('#targetElement');
  • A DOM element

    target: document.getElementById('#targetElement');

To align the Tooltip against this element, use the position property.

titleComponent

An alias for the titleTemplate property specified in React. Accepts a custom component. Refer to Using a Custom Component for more information.

titleRender

An alias for the titleTemplate property specified in React. Accepts a rendering function. Refer to Using a Rendering Function for more information.

visible

A Boolean value specifying whether or not the UI component is visible.

Type:

Boolean

Default Value: false
Raised Events: showing, hiding

width

Specifies the UI component's width.

Type:

Number

|

String

|

Function

Return Value:

Number

|

String

The UI component's width.

Default Value: 'auto'
Raised Events: resize

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.

wrapperAttr

Specifies the global attributes for the UI component's wrapper element.

Type: any
Default Value: {}

jQuery
$(function(){
    $("#tooltipContainer").dxTooltip({
        // ...
        wrapperAttr: {
            id: "elementId",
            class: "class-name"
        }
    });
});
Angular
app.component.html
app.component.ts
app.module.ts
<dx-tooltip ...
    [wrapperAttr]="{ id: 'elementId', class: 'class-name' }">
</dx-tooltip>
import { Component } from '@angular/core';
// ...
@Component({
    selector: 'app-root',
    templateUrl: './app.component.html',
    styleUrls: ['./app.component.css']
})
export class AppComponent {
    // ...
}
import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { AppComponent } from './app.component';

import { DxTooltipModule } from 'devextreme-angular';

@NgModule({
    declarations: [
        AppComponent
    ],
    imports: [
        BrowserModule,
        DxTooltipModule
    ],
    providers: [ ],
    bootstrap: [AppComponent]
})
export class AppModule { }
Vue
App.vue
<template>
    <DxTooltip ...
        :wrapper-attr="tooltipAttributes">
    </DxTooltip>
</template>

<script>
import DxTooltip from 'devextreme-vue/tooltip';

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

import Tooltip from 'devextreme-react/tooltip';

function App() {
    const tooltipAttributes = useMemo(() => {
        return {
            id: 'elementId',
            class: 'class-name'
        }
    }, []);

    return (
        <Tooltip ...
            wrapperAttr={tooltipAttributes}>
        </Tooltip>
    );
}
export default App;

The code above specifies the id and class attributes for the wrapper element and produces markup similar to this:

HTML
<body>
    <!-- The following is the wrapper element. -->
    <!-- It is nested inside an element defined by the `container` property (`<body>` by default). -->
    <div id="elementId" class="dx-overlay-wrapper dx-tooltip-wrapper class-name" ... > 

        <!-- The following element contains component content. -->
        <div class="dx-overlay-content" ... >

            <!-- The following element displays content specified in the `contentTemplate`. -->
            <div class="dx-popup-content" ... >
                <!-- ... -->
            </div>
        </div>
    </div>
</body>