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math.random javascript

Math.random() 
// will return a number between 0 and 1, you can then time it up to get larger numbers.
//When using bigger numbers remember to use Math.floor if you want it to be a integer
Math.floor(Math.random() * 10) // Will return a integer between 0 and 9
Math.floor(Math.random() * 11) // Will return a integer between 0 and 10

// You can make functions aswell 
function randomNum(min, max) {
	return Math.floor(Math.random() * (max - min)) + min; // You can remove the Math.floor if you don't want it to be an integer
}
Comment

nombre random js

// On renvoie un nombre aléatoire entre une valeur min (incluse) 
// et une valeur max (exclue)
function getRandomArbitrary(min, max) {
  return Math.random() * (max - min) + min;
}
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js random int

function getRandomInt(min, max) {
    min = Math.ceil(min);
    max = Math.floor(max);
    return Math.floor(Math.random() * (max - min + 1)) + min;
}
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random js

function randomNumber(min, max) {
  return Math.floor(Math.random() * (max - min)) + min + 1;
}
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js random number

var random;
var max = 8
function findRandom() {
  random = Math.floor(Math.random() * max) //Finds number between 0 - max
  console.log(random)
}
findRandom()
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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 <1
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random int javascript

//Returns random Int between 0 and 2 (included)
Math.floor(Math.random()*3)
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random number javascript

function getRandomNumberBetween(min,max){
    return Math.floor(Math.random()*(max-min+1)+min);
}
getRandomNumberBetween(50,80);

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JS random number

Math.random() 


// Or something between 0 and 9:
Math.floor(Math.random() * 10)

// You can even make functions:
function random(min, max){return Math.floor(Math.random() * (max - min)) + min}
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javascript random number

// 0 -> 10
Math.floor(Math.random() * 11);

// 1 -> 10
Math.floor(Math.random() * 10) + 1;

// 5 -> 20
Math.floor(Math.random() * 16) + 5;

// -10 -> (-2)
Math.floor(Math.random() * 9) - 10;
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generate random number js

function getRandomIntInclusive(min, max) {
  min = Math.ceil(min);
  max = Math.floor(max);
  return Math.floor(Math.random() * (max - min + 1)) + min;
}
Comment

math.random javascript

Math.random() // Returns number from 0 to 1. 

Math.floor(Math.random() * max) // Return number from 0 to max minus 1
// Example
Math.floor(Math.random() * 10) // Return number from 0 to 9
// Add a +1 to return a number from 0 to max
Math.floor(Math.random() * 10) + 1 // Returns Number from 1 to 10
// To have a min and max 
Math.floor(Math.random() * (max - min)) + min
// Example
Math.floor(Math.random() * (20 - 10)) + 10
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javascript random integer

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

let randomNum = Math.floor(Math.random() * 5)

return( 0 or 1 or 2 or 3 or 4)

let randomNum = Math.floor(Math.random() * 5) + 1

return( 1 or 2 or 3 or 4)

// * 5 in this code meaning a number between 0 and 4 
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random numbers javascript


Math.floor(Math.random() * 100);     // returns a 
  random integer from 0 to 99
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js math.random

/*
`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
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js random int

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

const rndInt = Math.floor(Math.random() * 6) + 1
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javascript random number

function random(number) {
  return Math.floor(Math.random()*number);
}
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random int javascript

/** Generates integers between low (inclusive) and high (exclusive) */
function generateRandomInteger(low, high) {
  const lowCeil = Math.ceil(low);
  const highFloor = Math.floor(high);
  const randomFloat = lowCeil + Math.random() * (highFloor - lowCeil);

  return Math.floor(randomFloat);
}
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how to use math.random()

local number = math.random(1, 10)
# change 1 to be the smallest possible number
# change 10 to the be the biggest possible number
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javascript random

function random(min, max) {
  return ~~(Math.random() * (max - min + 1) + min);
}
random(1, 5);
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math.random


int random = (int) (Math.random()*(max-min+1)+min);
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random number javascript

function randomNumberGeneratorInRange(rangeStart, rangeEnd) {
   return Math.floor(Math.random() * (rangeStart - rangeEnd + 1) + rangeEnd);
}

console.log(`My random number: ${randomNumberGeneratorInRange(10, 50)}`);
Comment

math random js

function getRandomIntInclusive(min, max) {
  min = Math.ceil(min);
  max = Math.floor(max);
  return Math.floor(Math.random() * (max - min + 1)) + min; // max & min both included 
}
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javascript random number

Math.floor(Math.random() * 10) // Will return a integer between 0 and 9
Math.floor(Math.random() * 11) // Will return a integer between 0 and 10
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randint js

/* If 1 argument is given, minimum will be set to 0 and maximum to this argument
 * If 2 arguments were given, the fist would be the minimum and the second the maximum
 * The function will return an integer in [min, max[
 */
const Math.randint => (min,max) {
  [min,max] = (max===undefined)?[0,min]:(min>max)[max,min]:[min,max];
  return Math.floor(Math.random*(max-min)+min);
}
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javascript random int

function rndint(min, max) {
      return Math.floor(Math.random() * (max - min + 1) + min)
}
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random number javascript

var randomNumberBetween0and19 = Math.floor(Math.random() * 20);

function randomWholeNum() {
  // Only change code below this line.
  return Math.floor(Math.random() * 10);
}
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js random

function randint(low:number, max?:number) {
  return Math.floor(Math.random() * 10) % (max ?? low) + (max ? low : 0);
}
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generate random number js

function getRandomInt(min, max) {
  min = Math.ceil(min);
  max = Math.floor(max);
  return Math.floor(Math.random() * (max - min)) + min;
}
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random function in javascript

function getRandom() {
  return Math.random();
}
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js random number

// You can make functions aswell 
function randomNum(min, max) {
	return Math.floor(Math.random() * (max - min)) + min; // You can remove the Math.floor if you don't want it to be an integer
}
Comment

js random

Math.floor(Math.random() * 10) + 1 // Random number Between 1 and 10
// First Math.random give us a random number between 0 and 0,99999
// The we multiply it by 10
// And we round dow with Math.floor
// We add 1 so the result will never be 0 

// Another Example:
h.floor(Math.random() * 20) + 10 // Random number Between 10 and 20
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javascript random number

//returns a random number between 1 and maxNumber
//replace Math.ceil with Math.round if you want to include 0 as well
const randomNumber = (maxNumber) => { 
	return Math.ceil(Math.random() * maxNumber);
}
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random function javascript

let object = random(0, 50);
// making "object" a random number between 0 and 50.

console.log(object);
// printing object in the console
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random number javascript

// The below code executes 0-100, I have used es6 arrow function concept
setInterval(() => console.log(Math.floor(Math.random()*101)),1000);
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Javascript Random Integer

function randomInteger(min, max)
{
  return Math.floor(Math.random() * (max - min + 1)) + min;
}
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js random number

const random = 'abcdefghijklmnopqrstuvwxyz123456789'
const size = 8
let code = ""

for(let i = 1; i < size; i++) {
   code += random[Math.abs(Math.floor(Math.random() * random.length))]
}

console.log(code.toUpperCase())
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js math random

var n = Math.random();
n = Math.floor((n * 6) + 1); // if you want your numbers to start at 1 and end at 6 
console.log(n);
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math random javascript

// Retorna un número aleatorio entre min (incluido) y max (excluido)
function getRandomArbitrary(min, max) {
  return Math.random() * (max - min) + min;
}
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js random

Math.floor(Math.random() * 900000)
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random number in js

Math.random() returns a random number in [0,1)
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javascript random number

function randomnumber(){
	return Math.floor(Math.random())
}
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js random

// using array and random example
function getTheBill() {
  let names = ["bob", "mike", "matt"];

  let randomFriend = Math.floor(Math.random() * names.length);

  let randomFriendBuyng = names[randomFriend];

  return randomFriendBuyng + " is buying us lunch today!";
}
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random number javascript

function uniqueNumber(count) {
  let defaultNumber = 4413277523420
  let convertToArray = defaultNumber.toString().split("")
  let sliceNumber = convertToArray.slice(0, count)
  let randomNumber = Math.floor((Math.random() * +sliceNumber.join("")));
  
  if  (randomNumber.toString().split("").length < count) {
      randomNumber = Math.abs(randomNumber - +sliceNumber.join(""))
  }
 
  return randomNumber
}
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math.random

let getRandomInt = (min, max) => Math.floor(Math.random()*(max-min+1)+min)
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js random

function randint(low, max) {
  return Math.round(Math.random() * 10) % (max ?? low) + (max ? low : 0);
}
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random math js

(Math.random()*100).toFixed(0)
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random js

var rand = "_" + Math.random().toString(36).substr(2, 9);
console.log(rand)

// or use this
var e = Math.random().toString(31).substring(2)
console.log(e)
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javascript random number

Math.random() * 10 = 0-10
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define math.random() method in javascript

// Math.random()

// The Math.random() function returns a floating-point, pseudo-random number that's greater than or equal to 0 and less than 1, with approximately uniform distribution over that range — which you can then scale to your desired range.
// parameter inside Math.random () is scale to desired range.

// EXAMPLE :1 
let ran_num = Math.random();
console.log(ran_num);
// OUTPUT: It gives any floating point number between 0 to 1 on every refresh of code like:
// 0.439905306460564
// 0.24377528882567256
// 0.5522415279920441  etc...... 

// EXAMPLE :2 
let ran_num_2 = (Math.random() * 10) ;
console.log(ran_num_2);
// OUTPUT: It gives any floating point number between 0 to 10 on every refresh of code like:
// 0.6199449585914163
// 2.532543541582639
// 1.9219543257575755  etc...... 

// EXAMPLE :1 
let ran_num_3 = Math.floor(Math.random() * 10) ;
console.log(ran_num_3);
// OUTPUT: It gives any floating point number between 0 to 10 and in integer(WITH OUT DECIMAL POINT) on every refresh of code like:
// 4
// 9
// 1 etc...... 
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javascript random numbers

var array = ["one", "two", "three", "four", "five"],
    result = array.slice(0, 3).map(function () { 
        return this.splice(Math.floor(Math.random() * this.length), 1)[0];
    }, array.slice());

console.log(result);
 Run code snippet
Comment

What does Math.random() do?

it generates a random number between 0 and 1 (not inclusive of 1)
Comment

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