// Generate a random integer between min and max (inclusive)

function getRandomInt(min, max) {

  min = Math.ceil(min);

  max = Math.floor(max);

  return Math.floor(Math.random() * (max - min + 1)) + min;

}

​

// Usage example

var randomNumber = getRandomInt(1, 10);

console.log(randomNumber);

function getRandomNumberBetween(min,max){

    return Math.floor(Math.random()*(max-min+1)+min);

}

​

//usage example: getRandomNumberBetween(20,400); 

​

function getRandomInt(min, max) {

    min = Math.ceil(min);

    max = Math.floor(max);

    return Math.floor(Math.random() * (max - min + 1)) + min;

}

//Returns random Int between 0 and 2 (included)

Math.floor(Math.random()*3)

/**

 * Returns a random number between min (inclusive) and max (exclusive)

 */

function getRandomArbitrary(min, max) {

    return Math.random() * (max - min) + min;

}

​

/**

 * Returns a random integer between min (inclusive) and max (inclusive).

 * The value is no lower than min (or the next integer greater than min

 * if min isn't an integer) and no greater than max (or the next integer

 * lower than max if max isn't an integer).

 * Using Math.round() will give you a non-uniform distribution!

 */

function getRandomInt(min, max) {

    min = Math.ceil(min);

    max = Math.floor(max);

    return Math.floor(Math.random() * (max - min + 1)) + min;

}

​

const randInt = (min, max) => Math.floor(min + Math.random() * (max - min + 1));

Math.floor(Math.random() * 100);     // returns a 

  random integer from 0 to 99

let int = Math.floor(Math.random() * 10);

// Generate a random integer between a specified range

function getRandomInt(min, max) {

  min = Math.ceil(min);

  max = Math.floor(max);

  return Math.floor(Math.random() * (max - min + 1)) + min;

}

​

// Example usage

const randomInt = getRandomInt(1, 10);

console.log(randomInt);

function random(min, max) {

  return ~~(Math.random() * (max - min + 1) + min);

}

random(1, 5);

/*

`Math.random` returns a pseudo-random number between 0 and 1.

a pseudo-random number is generated by an algorithm, it is not

technically actually random, but for all intents and purposes

it is random enough that no human should be able to find a

pattern

*/

​

Math.random(); // -> Decimal number between 0 and 1

​

Math.round(Math.random()); // -> 0 or 1

​

Math.random() * max; // -> Decimal number between 0 and max

​

Math.floor(Math.random() * max); // -> Whole number between 0 and max - 1

​

Math.round(Math.random() * max); // -> Whole number between 0 and max

​

Math.ceil(Math.random() * max); // -> Whole number between 1 and max

​

(Math.random() * (max - min)) + min; // Decimal number between min and max

​

Math.floor((Math.random() * (max - min)) + min); // Whole number between min and max - 1

​

Math.round((Math.random() * (max - min)) + min); // Whole number between min and max

​

Math.ceil((Math.random() * (max - min)) + min); // Whole number between min + 1 and max

​

Math.random() * Math.random(); // Decimal number between 0 and 1 with a tendency to be smaller

​

1 - Math.random() * Math.random(); // Decimal number between 0 and 1 with a tendency to be larger