js shuffle array
yourArray.sort(function() { return 0.5 - Math.random() });js shuffle array
yourArray.sort(function() { return 0.5 - Math.random() });javascript randomly shuffle array
function randomArrayShuffle(array) {
var currentIndex = array.length, temporaryValue, randomIndex;
while (0 !== currentIndex) {
randomIndex = Math.floor(Math.random() * currentIndex);
currentIndex -= 1;
temporaryValue = array[currentIndex];
array[currentIndex] = array[randomIndex];
array[randomIndex] = temporaryValue;
}
return array;
}
var alphabet=["a","b","c","d","e"];
randomArrayShuffle(alphabet);
//alphabet is now shuffled randomly = ["d", "c", "b", "e", "a"]javascript generate random array
//This example is to generate an array with 40 random elements, with random values from 0 to 39
for (var a=[],i=0;i<40;++i) a[i]=i;
// http://stackoverflow.com/questions/962802#962890
function shuffle(array) {
var tmp, current, top = array.length;
if(top) while(--top) {
current = Math.floor(Math.random() * (top + 1));
tmp = array[current];
array[current] = array[top];
array[top] = tmp;
}
return array;
}
a = shuffle(a);how to randomize an array
const getShuffledArr = arr => {
const newArr = arr.slice()
for (let i = newArr.length - 1; i > 0; i--) {
const rand = Math.floor(Math.random() * (i + 1));
[newArr[i], newArr[rand]] = [newArr[rand], newArr[i]];
}
return newArr
};randomize an array
let unshuffled = ['hello', 'a', 't', 'q', 1, 2, 3, {cats: true}]
let shuffled = unshuffled
.map((a) => ({sort: Math.random(), value: a}))
.sort((a, b) => a.sort - b.sort)
.map((a) => a.value)Copyright © 2021 Codeinu
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