Lesson 1: A function that worked until it did not · 9 min
Before you begin · The bug · What went wrong
Learners prepare on their own, you answer questions live, and the surveys tell you what stuck. 7 fields to fill in with your own policy, contacts and locations; each one is highlighted inside the course.



What learners can do at the end of each lesson. Minutes are an estimate.
Before you begin · The bug · What went wrong
Parts of a function · Predict · Check
When a class helps · Pick one · Check
Handle errors · Spot the smell
Which is more idiomatic? · Style checklist · Check
Review habits · Practice