> I seriously doubt that - there is nothing in the ECMAScript
> specification that says how Math.random works.  Most modern computers
> can calculate quite a few random numbers per millisecond - a 2GHz
> Core2Duo does between 10 and 50 in Firefox, up to 170 in Safari.  A
> simple test shows no duplicates in all the numbers generated in a
> single millisecond.  Do you have any references indicating a problem?
>
> The ECMAScript spec says:
>
> "15.8.2.14 random ( )
> "Returns a number value with positive sign, greater than or
>  equal to 0 but lessthan 1, chosen randomly or pseudo
>  randomly with approximately uniform distribution over that
>  range, using an implementation-dependent algorithm or
>  strategy. This function takes no arguments."
>
> I don't see anywhere there that says "must use the system clock to
> seed the algorithm".
>


In fact I already get this issue in Java so I thought it could be
possible in JavaScript.


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Jean-Philippe Encausse - R&D Jalios SA
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