JavaScript is inherently unsafe, not strongly typed, and usually incurs poor performance on the client-side. And yet, it is the most used/implemented in web browser... The easiest way I know is to create pseudo-objects, and then create wrappers around them (which really isn't saying much since everything is pretty much within the public memory domain).

If you use lots of arrays, add getters and setters that contain your arrays, so you can have only one piece opf code to maintain, instead of copy/pasting array manipulation. Also, check the Array object.

I know that JavaScript 1.5 is supposed to have try/catch statements incorporated, but I have yet to use it...

Good luck.