jQuery DateRangeBox - Accessibility

Accessibility Features Overview

NOTE
The overall accessibility level of your application depends on the DateRangeBox features that you use.
Accessibility Requirement Support Level
Right-to-Left Support
Keyboard Navigation Support
Screen Reader Support
Contrast Color Theme
Mobile Device Support
Lighthouse Accessibility Validation
Axe Accessibility Validation
WAVE Accessibility Validation
Section 508 Support
WCAG 2.x Support
  • - All component features meet the requirement
  • - Some component features may not meet the requirement
  • - Accessibility requirement is not supported

Accessibility Standards Compliance

The DateRangeBox component meets a variety of Section 508 and WCAG 2.x compliance standards. Known exceptions:

Section 508 criteria WCAG 2.x criteria Exception description
501 (Web)(Software)
504.2 (Authoring Tool)
602.3 (Support Docs)
1.3.1 Info and Relationships (Level A) DateRangeBox does not pronounce selected range in multiselect mode.
501 (Web)(Software)
504.2 (Authoring Tool)
602.3 (Support Docs)
1.4.3 Contrast (Minimum) (Level AA)
1.4.11 Non-text Contrast (Level AA 2.1 and 2.2)
DateRangeBox does not support Windows High Contrast themes.

Keyboard Navigation

A user can use the following keys to interact with the DateRangeBox component:

Value Picker Type Key Action
Input Field Alt + ↓ Opens the date/time picker.
Alt + ↑ / Esc Closes the date/time picker.
Calendar ← → ↑ ↓ Moves focus to the day nearby.
Page Up or Ctrl + ← Displays the previous month.
Page Down or Ctrl + → Displays the next month.
Enter Selects the focused day.
Ctrl + ↑ Increases zoomLevel.
Ctrl + ↓ Decreases zoomLevel.
Home Moves focus to the first date in the view.
End Moves focus to the last date in the view.

Use the registerKeyHandler(key, handler) method to implement a custom handler for a key.

jQuery
JavaScript
function registerKeyHandlers () {
    const dateRangeBox = $("#dateRangeBoxContainer").dxDateRangeBox("instance");
    dateRangeBox.registerKeyHandler("backspace", function(e) {
        // The argument "e" contains information on the event
    });
    dateRangeBox.registerKeyHandler("space", function(e) {
        // ...
    });
}
Angular
TypeScript
import { ..., ViewChild, AfterViewInit } from '@angular/core';
import { DxDateRangeBoxModule, DxDateRangeBoxComponent } from 'devextreme-angular';
// ...
export class AppComponent implements AfterViewInit {
    @ViewChild(DxDateRangeBoxComponent, { static: false }) dateRangeBox: DxDateRangeBoxComponent;
    // Prior to Angular 8
    // @ViewChild(DxDateRangeBoxComponent) dateRangeBox: DxDateRangeBoxComponent;

    ngAfterViewInit () {
        this.dateRangeBox.instance.registerKeyHandler('backspace', function(e) {
            // The argument "e" contains information on the event
        });
        this.dateRangeBox.instance.registerKeyHandler('space', function(e) {
            // ...
        });
    }
}
@NgModule({
    imports: [
        // ...
        DxDateRangeBoxModule
    ],
    // ...
})
Vue
<template>
    <DxDateRangeBox :ref="myDateRangeBoxRef" />
</template>
<script>
import 'devextreme/dist/css/dx.light.css';

import DxDateRangeBox from 'devextreme-vue/date-range-box';

const myDateRangeBoxRef = 'my-date-range-box';

export default {
    components: {
        DxDateRangeBox
    },
    data() {
        return {
            myDateRangeBoxRef
        }
    },
    computed: {
        dateRangeBox: function() {
            return this.$refs[myDateRangeBoxRef].instance;
        }
    },
    mounted: function() {
        this.dateRangeBox.registerKeyHandler('backspace', function(e) {
            // The argument "e" contains information on the event
        });
        this.dateRangeBox.registerKeyHandler('space', function(e) {
            // ...
        });
    }
}
</script>
React
App.js
import React from 'react';
import 'devextreme/dist/css/dx.light.css';

import { DateRangeBox } from 'devextreme-react/date-range-box';

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

        this.dateRangeBoxRef = React.createRef();
    }

    render() {
        return (
            <DateRangeBox ref={this.dateRangeBoxRef} />
        );
    }

    get dateRangeBox() {
        return this.dateRangeBoxRef.current.instance();
    }

    componentDidMount() {
        this.dateRangeBox.registerKeyHandler('backspace', function(e) {
            // The argument "e" contains information on the event
        });
        this.dateRangeBox.registerKeyHandler('space', function(e) {
            // ...
        });
    }
}

export default App;

Screen Reader Support

The DateRangeBox component supports screen readers and complies to WAI-ARIA standards.

To improve accessibility, use the startDateInputAttr and endDateInputAttr properties to specify aria-label for the component. You do not need to specify aria-label if you use startDateLabel or endDateLabel correspondingly.