Code Cardio

Debug Drills: Debugging & Errors

Read the stack trace, find the actual line, and stop guessing.

5 modules, 30–45 minutes

1. Stack Traces
2. console.log
3. Breakpoints
4. Narrowing It Down
5. No Stack Trace

Runs in a simulated environment in your browser: type real commands and it responds. Part of Code Cardio lifetime access, $9.99 once.