how to choose a random element from an array in 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 element from array js

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

Example 3: get random elements from array javascript

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