select a random number js code example

Example 1: generate random numbers in js

Math.floor((Math.random() * 100) + 1);
//Generate random numbers between 1 and 100
//Math.random generates [0,1)

Example 2: javascript random number

const randomVCC = () => {
	const cc = 4728398706189983
	const randomVirtualCreditCard = Math.random(cc).toString().replace('0.', '')
	const visaCreditCard = 4 + randomVirtualCreditCard
	const pattern = /\d{16}/.exec(+visaCreditCard).join('')
    return typeof +pattern === 'number' && +pattern
}
console.log(randomVCC())