js get random number from array 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: pick a random element from an array javascript

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

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

Example 3: js get random number from array

const months = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
const randomMonth = months[Math.floor(Math.random() * months.length)];

console.log("random month =>", randomMonth);

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();