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.random number javascript
/*
The Math.random() function returns a floating-point, pseudo-random
number in the range 0 to less than 1 (inclusive of 0, but not 1)
with approximately uniform distribution over that range — which you
can then scale to your desired range. The implementation selects the
initial seed to the random number generation algorithm; it cannot
be chosen or reset by the user.
*/
function getRandomInt(max) {
return Math.floor(Math.random() * Math.floor(max));
}
console.log(getRandomInt(3));
// expected output: 0, 1 or 2
console.log(getRandomInt(1));
// expected output: 0
console.log(Math.random());
// expected output: a number from 0 to <1random number generator javascript
Math.floor(Math.random() * (max - min + 1)) + min;
//max is the highest number you want it to get
//min is the lowest number you want it to getMath.random() javascript
//Returns a number between 1 and 0
console.log(Math.random());
//if you want a random number between two particular numbers,
//you can use this function
function getRandomBetween(min, max) {
return Math.random() * (max - min) + min;
}
//Returns a random number between 20 and 170
console.log(getRandomBetween(20,170));
//if you want a random integer number from one number to another
//(including the min and the max numbers), you can use this function
function getRandomIntBetween(min, max) {
min = Math.ceil(min);
max = Math.floor(max);
return Math.floor(Math.random() * (max - min + 1)) + min;
}
//Returns a random integer number from 0 to 25
console.log(getRandomIntInclusive(0,25));generate random integer javascript
var randomnumber = Math.floor(Math.random() * (maximum - minimum + 1)) + minimum;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())Copyright © 2021 Codeinu
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