* eval works >eval("2+3") 5
* able to extend objects
* browser specific classes Window(possibly a singleton), EventTarget, Console , BarInfo
* if you open multiple windows, it acts like a seperate irb instance, though console history is available
* eval works >eval("2+3") 5
* able to extend objects
* browser specific classes Window(possibly a singleton), EventTarget, Console , BarInfo
* if you open multiple windows, it acts like a seperate irb instance, though console history is available