이 레슨은 당분간 영어로 제공돼요.
Prove it works
Every change can break something you did not touch. Tests catch that in seconds instead of in production, and Node has a complete test runner built in: node:test.
이 레슨은 당분간 영어로 제공돼요.
Every change can break something you did not touch. Tests catch that in seconds instead of in production, and Node has a complete test runner built in: node:test.