This is just a fun hack that uses various Unicode characters to make text look like it was flipped upside down.
The mapping is based on one from revfad.com, but I extended it with most of the uppercase characters. This page isn't done with JavaScript, but you can see the upside-down character mapping
Originally found via a referrer log entry pointing to reddit.com.
| Original Text |
|---|
| Cavolate, ma c'è chi non le sa: se qualche volta volete postare testo a testa in giù, online si trovano bizzeffe di così che lo fanno, tipo questo. |
| Upside-down Text |
| ˙oʇsǝnb odıʇ 'ouuɐɟ oʃ ǝɥɔ ìsoɔ ıp ǝɟɟǝzzıq ouɐʌoɹʇ ıs ǝuıʃuo 'ùıƃ uı ɐʇsǝʇ ɐ oʇsǝʇ ǝɹɐʇsod ǝʇǝʃoʌ ɐʇʃoʌ ǝɥɔʃɐnb ǝs :ɐs ǝʃ uou ıɥɔ è,ɔ ɐɯ 'ǝʇɐʃoʌɐↃ |