get random array index javascript code example

Example 1: javascript get random array value

//get random value from array
var colors = ["red","blue","green","yellow"];
var randColor = colors[Math.floor(Math.random() * colors.length)];

Example 2: get random item from array javascript

const randomElement = array[Math.floor(Math.random() * array.length)];

Example 3: get random element from array js

var item = items[Math.floor(Math.random() * items.length)];

Example 4: js get random from array

//Make all arrays have "random" method
Array.prototype.random = function() {
    return this[Math.floor(Math.random() * this.length)];
}

//Call "random" method on an array
var result = ["Hello", "world"].random();

Example 5: get random elements from array javascript

array.sort(() => Math.random() - Math.random()).slice(0, n)