File: simple.md | Updated: 11/15/2025
Search...
+ K
Auto
Docs Examples GitHub Contributors
Docs Examples GitHub Contributors
Docs Examples GitHub Contributors
Docs Examples Github Contributors
Docs Examples Github Contributors
Docs Examples Github Contributors
Docs Examples Github Contributors
Docs Examples Github Contributors
Maintainers Partners Support Learn StatsBETA Discord Merch Blog GitHub Ethos Brand Guide
Documentation
Framework
React
Version
v4
Search...
+ K
Menu
Getting Started
Guides & Concepts
Community Resources
API Reference
ESLint
Plugins
Examples
Framework
React
Version
v4
Menu
Getting Started
Guides & Concepts
Community Resources
API Reference
ESLint
Plugins
Examples
React Example: Simple
===========================================================================================================================================================================================================================================================================================================================================================================================
Code ExplorerCode
Interactive SandboxSandbox
public
src
.eslintrc
.gitignore
README.md
index.html
package.json
jsx
/* eslint-disable jsx-a11y/anchor-is-valid */
import React from 'react'
import ReactDOM from 'react-dom/client'
import {
QueryClient,
QueryClientProvider,
useQuery,
} from '@tanstack/react-query'
import { ReactQueryDevtools } from '@tanstack/react-query-devtools'
import axios from 'axios'
const queryClient = new QueryClient()
export default function App() {
return (
<QueryClientProvider client={queryClient}>
<Example />
</QueryClientProvider>
)
}
function Example() {
const { isLoading, error, data, isFetching } = useQuery({
queryKey: ['repoData'],
queryFn: () =>
axios
.get('https://api.github.com/repos/tannerlinsley/react-query')
.then((res) => res.data),
})
if (isLoading) return 'Loading...'
if (error) return 'An error has occurred: ' + error.message
return (
<div>
<h1>{data.name}</h1>
<p>{data.description}</p>
<strong>👀 {data.subscribers_count}</strong>{' '}
<strong>✨ {data.stargazers_count}</strong>{' '}
<strong>🍴 {data.forks_count}</strong>
<div>{isFetching ? 'Updating...' : ''}</div>
<ReactQueryDevtools initialIsOpen />
</div>
)
}
const rootElement = document.getElementById('root')
ReactDOM.createRoot(rootElement).render(<App />)
/* eslint-disable jsx-a11y/anchor-is-valid */
import React from 'react'
import ReactDOM from 'react-dom/client'
import {
QueryClient,
QueryClientProvider,
useQuery,
} from '@tanstack/react-query'
import { ReactQueryDevtools } from '@tanstack/react-query-devtools'
import axios from 'axios'
const queryClient = new QueryClient()
export default function App() {
return (
<QueryClientProvider client={queryClient}>
<Example />
</QueryClientProvider>
)
}
function Example() {
const { isLoading, error, data, isFetching } = useQuery({
queryKey: ['repoData'],
queryFn: () =>
axios
.get('https://api.github.com/repos/tannerlinsley/react-query')
.then((res) => res.data),
})
if (isLoading) return 'Loading...'
if (error) return 'An error has occurred: ' + error.message
return (
<div>
<h1>{data.name}</h1>
<p>{data.description}</p>
<strong>👀 {data.subscribers_count}</strong>{' '}
<strong>✨ {data.stargazers_count}</strong>{' '}
<strong>🍴 {data.forks_count}</strong>
<div>{isFetching ? 'Updating...' : ''}</div>
<ReactQueryDevtools initialIsOpen />
</div>
)
}
const rootElement = document.getElementById('root')
ReactDOM.createRoot(rootElement).render(<App />)
broadcastQueryClient (Experimental)
[###### Want to Skip the Docs?
Query.gg - The Official React Query Course
\
“If you’re serious about *really* understanding React Query, there’s no better way than with query.gg”—Tanner Linsley
Learn More](https://query.gg/?s=tanstack)
You are currently reading v4 docs. Redirect to latest version?
Latest Hide
