javascript Math random( )
| random( ) | NN 2 IE 3 ECMA 1 |
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Returns a pseudo-random number between 0 and 1. To calculate a pseudo-random integer between zero and another maximum value, use the formula: Math.floor(Math.random( ) * (n+1)) |
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where n is the top integer of the acceptable range. To calculate a pseudo-random integer between a range starting with a number other than zero, use the formula: Math.floor(Math.random( ) * n - m + 1) + m |
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where m is the lowest integer of the acceptable range and n equals the maximum value of the range. Note that the Math.random( ) method does not work in the Windows and Macintosh versions of Navigator 2. |
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| Parameters | |
None. |
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| Returned Value | |
Number from 0 up to, but not including, 1. |
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