They require a third-party "executor" (software that runs the code inside Roblox).

If you want to get better at Slap Battles without the risk of losing your account, I’d recommend:

Automatically gains slaps while you are away (AFK). A Better Way to Progress

Many of the most powerful gloves are locked behind badges that require skill or teamwork to unlock.

Once executed, a GUI (Graphical User Interface) pops up in-game, allowing you to toggle features like: Kill Aura: Automatically slaps anyone who gets near you. No Cooldown: Removes the wait time between slaps.

Downloading "executors" or scripts from unverified sites often carries the risk of viruses, keyloggers, or account theft (cookie logging).