<i>&gt; the worst generator you can think of</i><p>Decrementing the seed by 1 with each call[0], which is a standards-compliant rand implementation.<p>Although it looks like a standards-compliant Math.random() implementation isn&#x27;t allowed to be quite that bad[1].<p>[0] <a href="https:&#x2F;&#x2F;marc.info&#x2F;?l=openbsd-tech&amp;m=141773078029373&amp;w=2" rel="nofollow">https:&#x2F;&#x2F;marc.info&#x2F;?l=openbsd-tech&amp;m=141773078029373&amp;w=2</a><p>[1] <a href="http:&#x2F;&#x2F;www.ecma-international.org&#x2F;ecma-262&#x2F;5.1&#x2F;#sec-15.8.2.14" rel="nofollow">http:&#x2F;&#x2F;www.ecma-international.org&#x2F;ecma-262&#x2F;5.1&#x2F;#sec-15.8.2.1...</a>