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Debugging is the act of checking and testing one's code for errors. It is often the most important step and should be performed regularly.
Types of Debugging:
- Debug enhancement: Roblox has a built-in debugging system that can be used. More information here.
- Print debugging: Using the method
print()of the global namespace, you put a print after each line of code you think is causing a problem. Where it stops printing is where you're blocked. For example, after starting a function you would write p
rint("Function started")or for a loop you would type
print("Loop").Alternatively, you could use
warn(). The key difference is that it warns in the console, instead of printing something.
- Verbose debugging: This method shows tons of output that tells the scripter what variables are set to, why loops ended and when functions stopped. This is generally the easiest way to debug.
- Live debugging: This consists of running your script on a script builder or Roblox Studio environment to draw out errors. To test this way you must deliberately try to cause scripting errors. A good way to do this is to use the Developer Console to run commands.