examples/math.js
var randomOk = true;
var changed = false;
var lastNumber = null;
for (var i = 0; i < 50; i++) {
var rand = Math.random();
if (lastNumber && lastNumber !== rand) {
changed = true;
}
lastNumber = rand;
if (rand < 0 || rand >= 1) {
randomOk = false;
}
}
return (randomOk && changed) ? (Math.round(Math.min(25, 38) / Math.max(4, 10)) + Math.floor(4.6) - Math.ceil(4.6)) : -1;