Global Error Handler

Updated Apr 28, 2026

Short answer

Mastering Error Handling is key for building scalable production apps.

Deep explanation

How do you capture and log native-side and JS-side errors to a service like Sentry?

Real-world example

Automatically reporting crashes that happen on physical Android devices.

Common mistakes

  • Memory leaks due to un-unsubscribed Observables.

Follow-up questions

  • Why use an Interceptor?

More Ionic interview questions

View all →