Frontend System Design
/Intermediate
Error Tracking
Definition
Automatically capturing unhandled promise rejections and JS runtime errors (e.g., `TypeError: undefined is not a function`), grabbing the stack trace, and alerting the engineering team.
Explain Like I'm New
When your app crashes on a customer's phone in Japan, you instantly get an alert in Slack with the exact line of code that caused the crash.
Interview Questions
basic
- What is the core concept of Error Tracking?
intermediate
- How does Error Tracking impact the overall user experience?
advanced
- How do you scale Error Tracking across a large enterprise application?
trick
- Can Error Tracking be fully automated?