js arr random

js arr random

"use strict";

function makeBall(cb){
    var arr = [];
    for(var i=1; i<=100; i++){
        // if(!_.includes([1, 2, 3], i))  If any number is to be excluded ( _ by lodash )
        arr.push(i);
    }
    cb(arr)
}

makeBall((m)=>{
  console.log(m[Math.floor(Math.random() * m.length)]);
});