Systematic Debugging Debug methodically instead of randomly changing code. The Process 1. Reproduce Before anything else, reproduce the bug reliably: - Get the exact steps to trigger the issue - Note the expected vs actual behavior - Confirm it happens consistently (not intermittent) - Record the environment (OS, Node version, browser, etc.) If you can't reproduce it, you can't fix it. Ask for more details. 2. Isolate Narrow down where the bug lives: Binary search the codebase: - Comment out half the system → does the bug persist? - If yes, the bug is in the remaining half → repeat - If no, t…