how do you make a random array in javascript
// how to generate random words from an array
const Coins = ["Heads","Tails"]
let Generate = Math.floor((Math.random() * Coins.length));
console.log(Coins[Generate]) // this will print the outcomehow do you make a random array in javascript
// how to generate random words from an array
const Coins = ["Heads","Tails"]
let Generate = Math.floor((Math.random() * Coins.length));
console.log(Coins[Generate]) // this will print the outcomehow to shuffle an array javascript
/**
* Shuffles array in place.
* @param {Array} a items An array containing the items.
*/
function shuffle(a) {
var j, x, i;
for (i = a.length - 1; i > 0; i--) {
j = round(random() * (i + 1));
x = a[i];
a[i] = a[j];
a[j] = x;
}
return a;
}
shuffle(array);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"]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
};Copyright © 2021 Codeinu
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