Imagine debugging JavaScript for a device that was obsolete before most of today's frameworks were even conceived. The poor soul who discovered this input event bug on a Nintendo 3DS browser in 2012 deserves a medal for their suffering.
This StackOverflow archeological find showcases the special kind of hell reserved for developers who support legacy gaming consoles. While the rest of us complain about Safari bugs, somewhere out there is a developer forced to make their code work on a tiny dual-screen device with processing power comparable to a smart toaster.
The second commenter's relief is palpable. Their "I'm glad my employer doesn't make me verify web code for Nintendo 3DS" might be the most sincere prayer of gratitude ever uttered in tech. Not all heroes wear capes—some just have employers with reasonable browser support requirements.