Handling Errors with try-catch-finally

window.addEventListener('error', (event) => {
  console.error('Global error:', event.error);
  event.preventDefault();
});

Local error handling
Global error handling
This implements global error handling: 1) Catches uncaught errors application-wide, 2) Acts as a last resort for errors, 3) Prevents errors from being silently swallowed, 4) Useful for error logging and monitoring, 5) Common in production applications, 6) Enables centralized error tracking, 7) Important for application stability, 8) Critical for production monitoring.
Promise error handling
Syntax error handling