Object extending in JavaScript is done with the prototype property, and in most cases simple prototype reassignment is sufficient for creating classes. But when you are developing a more complex application, you code quickly becomes ugly, because the syntax for creating prototypal chains is definitely not friendly.

All popular frameworks, except jQuery have their own way of creating classes, but personally, I think that they sometimes use unnatural and unnecessary code to achieve this. For example, here is the way how using prototypejs you are meant to call a super class method:

The Semantic Web provides a common framework that allows data to be shared and reused across application, enterprise, and community boundaries. It is a collaborative effort led by W3C with participation from a large number of researchers and industrial partners. It is based on the Resource Description Framework (RDF).

Q: What are some sounds you like?
1. An asymmetrical airline carousel created a high pitched haunted voice brought on by the friction of rubbing and it sounded like a big wet finger circling the rim of a gigantic wine glass.
2. Street corner evangelists
3. Pile drivers in Manhattan
4. My wife's singing voice
5. Horses coming/trains coming
6. Children when school's out
7. Hungry crows
8. Orchestra tuning up
9. Saloon pianos in old westerns
10. Rollercoaster
11. Headlights hit by a shotgun
12. Ice melting
13. Printing presses
14. Ball game on a transistor radio
15. Piano lessons coming from an apartment window
16. Old cash registers/Ca Ching
17. Muscle cars
18. Tap dancers
19. Soccer crowds in Argentina
20. Beatboxing
21. Fog horns
22. A busy restaurant kitchen
23. Newsrooms in old movies
24. Elephants stampeding
25. Bacon frying
26. Marching bands
27. Clarinet lessons
28. Victrola
29. A fight bell
30. Chinese arguments

Referencia para ASCII, unicode y codificación de caracteres en general.
Y tú, cada vez dices "código aski" mueres un poco.