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Keyboard Support

An end user can use the following keys to interact with the UI component.

Key Action
↑ / ↓ Moves focus to the previous/next item.
Page Up / Page Down Moves focus to the item located a screen above/below the current one.
Home / End Moves focus to the first/last item.
Enter or Space Selects the focused item.
Shift + ↑ / ↓ Shifts the focused item one item up/down. Active if the allowItemReordering property is set to true.
Delete Removes the focused item. Active if the allowItemDeleting property is set to true.

You can implement a custom handler for a key using the registerKeyHandler(key, handler) method.

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

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

import DxList from 'devextreme-vue/list';

const myListRef = 'my-list';

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

import { List } from 'devextreme-react/list';

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

        this.listRef = React.createRef();
    }

    render() {
        return (
            <List ref={this.listRef} />
        );
    }

    get list() {
        return this.listRef.current.instance;
    }

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

export default App;
See Also