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

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)];

pick a random element from an array javascript

var myArray = [
  "Apples",
  "Bananas",
  "Pears"
];

var randomItem = myArray[Math.floor(Math.random()*myArray.length)];

get random entry from array javascript

const rnd = (arr) => { return arr[Math.floor(Math.random() * arr.length)] };