1---
2category: Sensors
3---
4 
5# useOnline
6 
7Reactive online state. A wrapper of `useNetwork`.
8 
9## Usage
10 
11```ts
12import { useOnline } from '@vueuse/core'
13 
14const online = useOnline()
15```
16 
17## Component Usage
18 
19```vue
20<template>
21  <UseOnline v-slot="{ isOnline }">
22    Is Online: {{ isOnline }}
23  </UseOnline>
24</template>
25```
26 
27## Type Declarations
28 
29```ts
30/**
31 * Reactive online state.
32 *
33 * @see https://vueuse.org/useOnline
34 * @param options
35 *
36 * @__NO_SIDE_EFFECTS__
37 */
38export declare function useOnline(
39  options?: ConfigurableWindow,
40): Readonly<ShallowRef<boolean>>
41```
42