randomize array javascript code example
Example 1: javascript get random array value
var colors = ["red","blue","green","yellow"];
var randColor = colors[Math.floor(Math.random() * colors.length)];
Example 2: javascript how to get a random element from an array
var items = ['Yes', 'No', 'Maybe'];
var item = items[Math.floor(Math.random() * items.length)];
Example 3: js shuffle array
yourArray.sort(function() { return 0.5 - Math.random() });
Example 4: how to shuffle an array javascript
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);
Example 5: js shuffle array
function shuffleArray(array) {
for (let i = array.length - 1; i > 0; i--) {
const j = Math.floor(Math.random() * (i + 1));
[array[i], array[j]] = [array[j], array[i]];
}
}
Example 6: 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);