How to make a form an array using an array random jascript code example

Example 1: how do you make a random array in javascript

// how to generate random words from an array
const Coins = ["Heads","Tails"]
let Generate = Math.floor((Math.random() * Coins.length));

console.log(Coins[Generate]) // this will print the outcome

Example 2: generate an array of random numbers javascript

let numbersArray = [] , max = 100;

for( var i=1; numbersArray.push(i++) < max;);  // numbers = [1,2,3 ... 100]