The Range slider lets users select from a range of values by moving the slider knob. It can accept dual knobs, but by default one knob controls the value of the range.

Range Labels

Labels can be placed on either side of the range by adding the slot="start" or slot="end" to the element. The element doesn't have to be an ion-label, it can be added to any element to place it to the left or right of the range.

Usage

Angular

<ion-list>
  <ion-item>
    <ion-range color="danger" pin="true"></ion-range>
  </ion-item>

  <ion-item>
    <ion-range min="-200" max="200" color="secondary">
      <ion-label slot="start">-200</ion-label>
      <ion-label slot="end">200</ion-label>
    </ion-range>
  </ion-item>

  <ion-item>
    <ion-range min="20" max="80" step="2">
      <ion-icon size="small" slot="start" name="sunny"></ion-icon>
      <ion-icon slot="end" name="sunny"></ion-icon>
    </ion-range>
  </ion-item>

  <ion-item>
    <ion-range min="1000" max="2000" step="100" snaps="true" color="secondary"></ion-range>
  </ion-item>

  <ion-item>
    <ion-range min="1000" max="2000" step="100" snaps="true" ticks="false" color="secondary"></ion-range>
  </ion-item>

  <ion-item>
    <ion-range dualKnobs="true" min="21" max="72" step="3" snaps="true"></ion-range>
  </ion-item>
</ion-list>

Javascript

<ion-list>
  <ion-item>
    <ion-range color="danger" pin="true"></ion-range>
  </ion-item>

  <ion-item>
    <ion-range min="-200" max="200" color="secondary">
      <ion-label slot="start">-200</ion-label>
      <ion-label slot="end">200</ion-label>
    </ion-range>
  </ion-item>

  <ion-item>
    <ion-range min="20" max="80" step="2">
      <ion-icon size="small" slot="start" name="sunny"></ion-icon>
      <ion-icon slot="end" name="sunny"></ion-icon>
    </ion-range>
  </ion-item>

  <ion-item>
    <ion-range min="1000" max="2000" step="100" snaps="true" color="secondary"></ion-range>
  </ion-item>

  <ion-item>
    <ion-range min="1000" max="2000" step="100" snaps="true" ticks="false" color="secondary"></ion-range>
  </ion-item>

  <ion-item>
    <ion-range dual-knobs="true" min="21" max="72" step="3" snaps="true"></ion-range>
  </ion-item>
</ion-list>

React

import React from 'react';

import { IonList, IonItem, IonRange, IonLabel, IonIcon } from '@ionic/react';

const Example: React.SFC<{}> = () => (

  <IonList>
    <IonItem>
      <IonRange color="danger" pin={true}></IonRange>
    </IonItem>

    <IonItem>
      <IonRange min={-200} max={200} color="secondary">
        <IonLabel slot="start">-200</IonLabel>
        <IonLabel slot="end">200</IonLabel>
      </IonRange>
    </IonItem>

    <IonItem>
      <IonRange min={20} max={80} step={2}>
        <IonIcon size="small" slot="start" name="sunny" />
        <IonIcon slot="end" name="sunny" />
      </IonRange>
    </IonItem>

    <IonItem>
      <IonRange min={1000} max={2000} step={100} snaps={true} color="secondary"></IonRange>
    </IonItem>

    <IonItem>
      <IonRange min={1000} max={2000} step={100} snaps={true} ticks={false} color="secondary"></IonRange>
    </IonItem>

    <IonItem>
      <IonRange dualKnobs={true} min={21} max={72} step={3} snaps={true}></IonRange>
    </IonItem>
  </IonList>
);

export default Example;

Vue

<template>
  <ion-list>
    <ion-item>
      <ion-range color="danger" pin="true"></ion-range>
    </ion-item>

    <ion-item>
      <ion-range min="-200" max="200" color="secondary">
        <ion-label slot="start">-200</ion-label>
        <ion-label slot="end">200</ion-label>
      </ion-range>
    </ion-item>

    <ion-item>
      <ion-range min="20" max="80" step="2">
        <ion-icon size="small" slot="start" name="sunny"></ion-icon>
        <ion-icon slot="end" name="sunny"></ion-icon>
      </ion-range>
    </ion-item>

    <ion-item>
      <ion-range min="1000" max="2000" step="100" snaps="true" color="secondary"></ion-range>
    </ion-item>

    <ion-item>
      <ion-range min="1000" max="2000" step="100" snaps="true" ticks="false" color="secondary"></ion-range>
    </ion-item>

    <ion-item>
      <ion-range dualKnobs="true" min="21" max="72" step="3" snaps="true"></ion-range>
    </ion-item>
  </ion-list>
</template>

Properties

Property	Attribute	Description	Type	Default
`color`	`color`	The color to use from your application's color palette. Default options are: `"primary"`, `"secondary"`, `"tertiary"`, `"success"`, `"warning"`, `"danger"`, `"light"`, `"medium"`, and `"dark"`. For more information on colors, see theming.	`string \| undefined`	`undefined`
`debounce`	`debounce`	How long, in milliseconds, to wait to trigger the `ionChange` event after each change in the range value.	`number`	`0`
`disabled`	`disabled`	If `true`, the user cannot interact with the range.	`boolean`	`false`
`dualKnobs`	`dual-knobs`	Show two knobs.	`boolean`	`false`
`max`	`max`	Maximum integer value of the range.	`number`	`100`
`min`	`min`	Minimum integer value of the range.	`number`	`0`
`mode`	`mode`	The mode determines which platform styles to use.	`"ios" \| "md"`	`undefined`
`name`	`name`	The name of the control, which is submitted with the form data.	`string`	`''`
`pin`	`pin`	If `true`, a pin with integer value is shown when the knob is pressed.	`boolean`	`false`
`snaps`	`snaps`	If `true`, the knob snaps to tick marks evenly spaced based on the step property value.	`boolean`	`false`
`step`	`step`	Specifies the value granularity.	`number`	`1`
`ticks`	`ticks`	If `true`, tick marks are displayed based on the step value. Only applies when `snaps` is `true`.	`boolean`	`true`
`value`	`value`	the value of the range.	`number \| { lower: number; upper: number; }`	`0`

Events

Event	Description	Type
`ionBlur`	Emitted when the range loses focus.	`CustomEvent<void>`
`ionChange`	Emitted when the value property has changed.	`CustomEvent<RangeChangeEventDetail>`
`ionFocus`	Emitted when the range has focus.	`CustomEvent<void>`

Slots

Slot	Description
`"end"`	Content is placed to the right of the range slider in LTR, and to the left in RTL.
`"start"`	Content is placed to the left of the range slider in LTR, and to the right in RTL.

CSS Custom Properties

Name	Description
`--bar-background`	Background of the range bar
`--bar-background-active`	Background of the active range bar
`--bar-border-radius`	Border radius of the range bar
`--bar-height`	Height of the range bar
`--height`	Height of the range
`--knob-background`	Background of the range knob
`--knob-border-radius`	Border radius of the range knob
`--knob-box-shadow`	Box shadow of the range knob
`--knob-size`	Size of the range knob

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