javascript generate array with random numbers 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: javascript generate array of random different numbers

var arr = [];
while(arr.length < 8){
    var r = Math.floor(Math.random() * 100) + 1;
    if(arr.indexOf(r) === -1) arr.push(r);
}
console.log(arr);

Example 3: how to get a random statement from an array in javascript

// List your array items
let Testing1 = ["put","things","here"]
let Generate = Math.floor((Math.random() * Testing1.length)); // Generates a number of the array.

// logs the result
console.log(Testing1[Generate])