Learn IO with Real Code Examples
Updated Nov 20, 2025
Performance Notes
Lightweight and fast for small scripts
Coroutines avoid blocking in concurrency
Dynamic message passing adds some overhead
Reuse objects and avoid deep prototype chains
Optimize slot access for frequent operations
Security Notes
Validate input to prevent arbitrary code execution
Secure embedded interpreter access
Limit external system calls from Io scripts
Use proper file permissions
Audit critical object interactions
Monitoring Analytics
Log script output and object states
Monitor coroutines and execution flow
Debug message passing
Profile memory and slot usage
Track embedded application performance
Code Quality
Consistent naming of prototypes and slots
Use coroutines for concurrency
Comment scripts for maintainability
Debug in REPL before deployment
Validate object interactions