Tiny bugs are normal
Early JavaScript bugs usually come from small mismatches, not from impossible problems.
Public article
Beginner JavaScript Mistakes and How to Fix Them
A practical guide to tiny JavaScript bugs, the console, and calm beginner debugging habits.
The console gives useful evidence
The console can show what JavaScript is reporting, which gives you a starting point for investigation.
A repeatable process matters
Calm, one-step debugging builds more long-term skill than frantic trial and error.