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Tag: random

Picking a random item from array with equal distribution

I want to pick a random item from an array at random. Is the way to go, but as far as I know this will cause a Uniform distribution to occur which means that the average is (lowbound+upperbound)/2 translated to an array with 10 elements the lower bound is the first element and the upper bound is the last elem…

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 ca…

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 othe…

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: Whenever random() shows up, it seems there’s always a pitfall – it’s not truly random, it’s compromised by something or other, etc. So, …

PHP/JavaScript random number

I am playing around with JavaScript and trying to choose some random images. What I’m actually trying to do: I have $totalsixes = rand(1,6); in PHP, and let’s say that chose 4. Then in JavaScript I want to show 4 images with the number 6 and 2 others with random numbers from 1-5. Here’s what…