Answers for "how to use math.random in an array"

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)];

how to get a random element of an array javascript

var foodItems = ["Bannana", "Apple", "Orange"];
var theFood = foodItems[Math.floor(Math.random() * foodItems.length)];
/* Will pick a random number from the length of the array and will go to the
corosponding number in the array E.G: 0 = Bannana */

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();

get random elements from array javascript

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