Answers for "math random number in javascript"

how to generate a random number in javascript

//To genereate a number between 0-1
Math.random();
//To generate a number that is a whole number rounded down
Math.floor(Math.random())
/*To generate a number that is a whole number rounded down between
1 and 10 */
Math.floor(Math.random() * 10) + 1 //the + 1 makes it so its not 0.

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())