Get random item from JavaScript array

rnd.js

var items = ["a","e","i","o","u"]; 
var objResults = {} 
for(var i = 0; i < 1000000; i++){ 
  var randomElement = items[Math.floor(Math.random()*items.length)]; 
  if (objResults[randomElement]){ 
      objResults[randomElement]++ 
    }
    else { 
      objResults[randomElement] = 1 
    } 
} 

console.log(objResults)