Reading Errors
Red text isn’t anger. It’s directions.
▶ the lesson · ~35s · narrated · tap for sound
the intro
Error messages are the most under-read documentation in software. Stack traces read bottom-up: the bottom is where your code entered, the top is where it exploded. The message usually states exactly what went wrong, in which file, at which line.
fun fact ✦
“Undefined is not a function” has saved fewer careers than reading the message would have.
the docs
quick hits about Reading Errors
15-second answers · interviews, tips, trivia & hidden gems
🎤 interview
Read stack traces bottom-up
📚 tutorial
Stack trace anatomy
🔧 useful
Search it — in quotes
💎 deep
Errors are a map, not a verdict