random index of array javascript code example

Example 1: get random item from array javascript

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

Example 2: get random element from array js

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

Example 3: get random item from array javascript

let items = [12, 548 , 'a' , 2 , 5478 , 'foo' , 8852, , 'Doe' , 2145 , 119];

let  randomItem = 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();