How to Generate a random number of fixed length using JavaScript?

Question

I\'m trying to generate a random number that must have a fixed length of exactly 6 digits.

I don\'t know if JavaScript has given below would ever create a number less th

Answer 1

In case you also want the first digit to be able to be 0 this is my solution:

const getRange = (size, start = 0) => Array(size).fill(0).map((_, i) => i + start);

const getRandomDigit = () => Math.floor(Math.random() * 10);

const generateVerificationCode = () => getRange(6).map(getRandomDigit).join('');

console.log(generateVerificationCode())