How To Display Random Message With No Repeats

Nov 15, 2009

I am trying to display a random number, but each time a button is pressed that calls the test function, i don't want to random number to be repeated. I know I have to declare 2 variables and a while loop, but i'm stuck as to what to put in the second variable and in the while loop.

var random = Math.floor(Q * Math.random());
var random2 = ??
function test () {
document.write(random);
while (random == random2) {
document.write(random);
}}

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Mar 11, 2004

Ive trawled through google and the tutorials on here to no avail.

Im after creating a function to assign image sources of 16 img's (within cells) to cell*.gif. There must be no repeats and it needs to be within 0-15. (randomly called from a button)

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--------------------------------------
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