const slider = $('#sliderContainer').dxSlider('instance');

slider.registerKeyHandler('backspace', function(e) {
    // The argument 'e' contains information about the event
});
slider.registerKeyHandler('space', function(e) {
    // ...
});

import { ViewChild, AfterViewInit } from '@angular/core';
import { DxSliderComponent } from 'devextreme-angular/ui/slider';

@Component({
    imports: [DxSliderComponent],
    // ...
})
export class AppComponent implements AfterViewInit {
    @ViewChild(DxSliderComponent, { static: false }) slider!: DxSliderComponent;
    // Prior to Angular 8
    // @ViewChild(DxSliderComponent) slider: DxSliderComponent;

    ngAfterViewInit () {
        this.slider.instance.registerKeyHandler('backspace', function(e) {
            // The argument "e" contains information about the event
        });
        this.slider.instance.registerKeyHandler('space', function(e) {
            // ...
        });
    }
}

<template>
    <DxSlider ref="sliderRef" />
</template>

<script setup lang="ts">
import { onMounted, ref } from 'vue';
import { DxSlider } from 'devextreme-vue/slider';

const sliderRef = ref<DxSlider | null>(null);

onMounted(() => {
    sliderRef.value.instance.registerKeyHandler('backspace', function(e) {
        // The argument "e" contains information about the event
    });
    sliderRef.value.instance.registerKeyHandler('space', function(e) {
        // ...
    });
})

</script>

import React, { useRef, useEffect } from 'react';
import { Slider, type SliderRef } from 'devextreme-react/slider';

function App() {
    const sliderRef = useRef<SliderRef>(null);

    useEffect(() => {
        const slider = sliderRef.current.instance();
        slider.registerKeyHandler('backspace', function(e) {
            // The argument "e" contains information about the event
        });
        slider.registerKeyHandler('space', function(e) {
            // ...
        });
    }, []);

    return (
        <Slider ref={sliderRef} />
    );
}