Someone (on stackoverflow) said it's not a good question to ask.
Others say JavaScript is “Object-oriented to the core...” They also say:
“If you don't feel confident about JavaScript concepts such as variables, types, functions, and scope, you can read about those topics in A re-introduction to JavaScript. You can also consult the JavaScript Guide.”
Is JavaScript “The World's Most Misunderstood Programming Language”?
The Eyes Have It!
See also: Objects With Eyes