Implement Point so that:
new Point( new Point(10, 20) + new Point(30, 50) ).toString() === '{40,70}'Must be generic and be able to handle x and y values from 0..999 (integers only)
Minor hint: you'll need to implement valueOf and toString methods.
Any range of numbers - http://jsfiddle.net/CJvXF/5/ gist https://gist.github.com/3135050