Debug
ELI5 — The Vibe Check
Debugging is the process of finding and fixing the gremlins in your code. Something is broken, and you need to play detective — adding clues (console.log), checking suspects (variables), and narrowing down exactly where things went wrong. It is the skill you spend most of your career doing.
Real Talk
Debugging is the systematic process of identifying, isolating, and fixing defects (bugs) in software. Techniques include print debugging (logging variable values), using a debugger with breakpoints, inspecting stack traces, binary search (commenting out code blocks), and rubber duck debugging. The debugging phase often takes more time than writing the code.
Show Me The Code
// Quick and dirty print debugging:
console.log("Value of user:", user);
console.log("Reached checkpoint 1");
// Better: use a real debugger with breakpoints
// In VS Code: click left of line number → red dot → Run & Debug
When You'll Hear This
"I've been debugging this for 3 hours." / "Add a console.log to debug the value."
Related Terms
Breakpoint
A breakpoint is like a 'pause game' button you place on a specific line of code.
Bug
A bug is anything in your code that makes it behave wrong.
Debugger
A debugger is a special tool that lets you pause your running program mid-execution, look around at all the variables, and step through the code one line a...
Logging
Logging is writing a diary for your program.
Stack Trace
A stack trace is the error report that tells you exactly which functions were called right before your code crashed.