JSFiddle - React, Tailwind, and code Playground

HTML

<input type="button" onclick="console.log(RandomArray(10));" value="Random!" />

JavaScript

var RandomArray = function RandomArray(elements) {
    var min = 0,        //min random number
        max = 15,       //max random number
        i,              //incrementer
        arr = [];       //output
    //generate an array of length (elements) containing random number from min to max
    for (i = 0; i < elements; i += 1) {
        arr.push(Math.floor(Math.random() * (max + 1)) + min);
    }
    //return the array
    return arr;
};