On: Some good javascript tips & handy functions

[jjs]

It's not random; the mean value for the first half of the new list (originally [0,1,2,3,4,5,6,7,8,9]) is 10, while the mean for the second half is 35.

(Or at least, it came out that way reliably after several runs of a million iterations each time).

Since a value sorted this way has a decreasing chance to be swapped an increasing number of positions, this result makes perfect sense.