Cancelling HTTP request when Angular Component destroyed

📰 Dev.to · MD ASHRAF

Learn how to cancel ongoing HTTP requests when an Angular component is destroyed to prevent memory leaks and improve performance

intermediate Published 1 Jul 2025
Action Steps
  1. Use the HttpClient to send an HTTP request
  2. Create a subscription to the request and store it in a variable
  3. Implement the OnDestroy lifecycle hook in the Angular component
  4. Unsubscribe from the subscription in the OnDestroy method to cancel the request
Who Needs to Know This

Angular developers and frontend engineers can benefit from this technique to optimize their application's performance and prevent unnecessary resource usage

Key Insight

💡 Unsubscribing from HTTP requests when a component is destroyed prevents memory leaks and unnecessary resource usage

Share This
💡 Cancel ongoing HTTP requests when Angular components are destroyed to improve performance #Angular #HTTP

Full Article

To cancel an ongoing HTTP request when a component is destroyed, you can use the following...
Read full article → ← Back to Reads