/*
Generate random Powerball lottery numbers:
- 5 distinct numbers from 1–69
- 1 distinct Powerball number from 1–26
This program uses:
- crypto.getRandomValues() when available (browser)
- Math.random() fallback for Node.js
- Set for uniqueness + sorted output
*/
/*
getRandomInt(min, max):
Returns a random integer in the inclusive range [min, max].
Uses crypto.getRandomValues() when available for better randomness.
*/
function getRandomInt(min, max) {
if (typeof crypto !== "undefined" && crypto.getRandomValues) {
const array = new Uint32Array(1);
crypto.getRandomValues(array);
return min + (array[0] % (max - min + 1));
}
// Node.js fallback
return Math.floor(Math.random() * (max - min + 1)) + min;
}
/*
generateMainNumbers():
Generates 5 UNIQUE numbers in the range [1, 69].
Uses a Set to enforce uniqueness.
*/
function generateMainNumbers() {
const numbers = new Set();
while (numbers.size < 5) {
numbers.add(getRandomInt(1, 69));
}
return [...numbers].sort((a, b) => a - b);
}
/*
generatePowerball():
Generates a single number in the range [1, 26].
*/
function generatePowerball() {
return getRandomInt(1, 26);
}
/*
Main:
Generate and print the Powerball ticket.
*/
const mainNumbers = generateMainNumbers();
const powerball = generatePowerball();
console.log("Random Powerball numbers:");
console.log("Main numbers:", mainNumbers.join(" "));
console.log("Powerball:", powerball);
/*
run:
Random Powerball numbers:
Main numbers: 6 11 15 23 49
Powerball: 11
*/
