Request Cancellation with AbortController in JavaScript
From the Axios cheat sheet · Request Cancellation & Timeout · verified Jul 2026
Request Cancellation with AbortController
Cancel in-flight requests using modern AbortController API
javascript
// Cancel a request
const controller = new AbortController();
axios.get('/api/users', {
signal: controller.signal
}).catch(error => {
if (axios.isCancel(error)) {
console.log('Request cancelled:', error.message);
}
});
// Cancel the request
controller.abort();✅ AbortController is the modern standard for request cancellation
💡 Essential for search inputs to cancel outdated requests
🔍 Always cleanup controllers in useEffect/componentWillUnmount
⚡ Prevents race conditions when user types quickly in search
cancelabortabortcontrollercleanup
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