# Tag: random

## Why does my page fall into the infinite loop?

function randomNumber(){ var value; var flag = false; var tds = document.querySelectorAll(‘td’); do{ value = Math.round(Math.random() * (26 – 1) + 1); for(var t = 0; t &…

## How to return a character n times before an element react

I want to add a random amount of characters before an element, repeat that element 20 times, with a diffrent amount of characters before each time. For example: function App() { return ( <>…

## Random image from html on button click

I am trying to make a script that will take the images from one div element and put it to div rndmImage randomly on button click, I should see images when document is loaded, but the new div where images should go after click must be empty until click heapends. And I need only JavaScript, no jQuery, alse i can

## Javascript: Assign percentage of players a random role

Let’s say I have these two arrays let players = [“ryan”, “austin”, “julian”, “kelso”, “mitch”, “adam”, “dwight”, “edwin”,…

## Find remaining indexes and storing them as values

I’m making a small game. You have to find the ball under a randomized cup. First the images are stored in a nodeList. Then the winning cup is calculated randomly from the length of the nodeList. My problem: After the random value for winningCup has been calculated I don’t know how to find the other […]

## JS generate random boolean

Simple question, but I’m interested in the nuances here. I’m generating random booleans using the following method I came up with myself: const rand = Boolean(Math.round(Math.random())); Whenever …

## Javascript: Generate a random number within a range using crypto.getRandomValues

I understand you can generate a random number in JavaScript within a range using this function: function getRandomInt (min, max) { return Math.floor(Math.random() * (max – min + 1)) + min; } …

## Custom linear congruential generator in JavaScript

I am trying to create a custom linear congruential generator (LCQ) in JavaScript (the one used in glibc). Its properties as it’s stated on Wikipedia are: m=2^31 , a=1103515245 , c=12345. Now I am …

## Create an array with random values

How can I create an array with 40 elements, with random values from 0 to 39 ? Like I tried using solutions from here: http://freewebdesigntutorials.com/javaScriptTutorials/jsArrayObject/randomizeArrayElements.htm but the array I get is very little randomized. It generates a lot of blocks of successive numbers… Answer Here’s a solution that shuffles a list of unique numbers (no repeats, ever). If you want

## Write a truly inclusive random method for javascript

Javascript’s MATH object has a random method that returns from the set [0,1) 0 inclusive, 1 exclusive. Is there a way to return a truly random method that includes 1. e.g. var rand = MATH.random()*…