Question

How to generate 20 digits random number in Node.js

Answer 1

function generateRandomNumber(digits) {
    let randomNumber = '';
    
    while (randomNumber.length < digits) {
        randomNumber += Math.floor(Math.random() * 10);
    }
    
    return randomNumber;
}

const random20DigitNumber = generateRandomNumber(20);

console.log(random20DigitNumber);
console.log(parseFloat(random20DigitNumber));
console.log(parseInt(random20DigitNumber));
console.log(BigInt(random20DigitNumber));



/*
run:

39049057223269071293
39049057223269070000
39049057223269070000
39049057223269071293n

*/

 

70+ SQL courses for beginners and professionals