javascript
Event loop blocked by synchronous operation
event loop.*blocked.*exceeded.*ms
Fixes
- 1.Move CPU-intensive work to a Worker thread using worker_threads module
- 2.Break large synchronous loops into batches using setImmediate() between chunks
- 3.Use streaming APIs instead of loading entire files into memory synchronously
nodejsevent-loopperformance
Related Errors
javascript3 fixes
Cannot read property of undefined
Cannot read propert(y|ies) of undefined
- •Add optional chaining (?.)
- •Check if object exists before accessing
javascript3 fixes
Cannot read property of null
Cannot read propert(y|ies) of null
- •Add null check before access
- •Use optional chaining (?.)
javascript3 fixes
TypeError: X is not a function
is not a function
- •Check spelling of method name
- •Verify import is correct