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Scripts: Javascript

Random Numbers - Math.random()

This script generates a random number between two set values:

Also see how this can be applied to display random images...
Also see other options for rounding decimal numbers...

<SCRIPT LANGUAGE="JavaScript">
<!--

// This will generate a random number between 0 & 10
ranNumAa = Math.random()*10;

// This will generate a random number between 10 & 25
ranNumBb = Math.random()*15+10;

// Rannum now has a long decimal value.
// Math.round(ranNum) rounds it to the nearest integer

ranNumA = Math.round(ranNumAa);
ranNumB = Math.round(ranNumBb);

document.write('<P>Random number between 0 and 10: <B>'+ranNumA+'<BR></B>');
document.write('Random number between 10 and 25: <B>'+ranNumB+'</B></P>');

//-->
</SCRIPT>