A company rolls out an AI customer service assistant. The model behind it is current and capable enough for the job. The assistant goes live. Within a week, support tickets are getting worse, not ...

- Utility Types: Use built-in tools like Partial or Pick to change types. Best Practices - Use type for simple aliases and primitives. - Use interface for object shapes. - Avoid using any. It removes ...

Common Pitfall: The Loop Bug If you use var in a loop to create event listeners, every listener will point to the same final value. This happens because var does not create a new scope for each loop.