FAQ Topic - How do I generate a random integer from 1 to N? (2008-05-07)

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FAQ Topic - How do I generate a random integer from 1 to
N?
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Method Math.random() returns a value R such that 0 <= R < 1.0 ; therefore

function Random(x) { return Math.floor(x*Math.random()) }

gives an evenly distributed random integer in the range from 0 to
x-1 inclusive; use ` Random(N)+1 ` for 1 to N.

http://msdn2.microsoft.com/en-us/library/41336409.aspx

http://docs.sun.com/source/816-6408-10/math.htm

How to Deal and Shuffle, see in:

http://www.merlyn.demon.co.uk/js-randm.htm


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