Basic js function to roll a pair of dice

rollDice.js

function rollDice(){
  var output = [];
  var die1 = Math.floor(Math.random() * 6);
  var die2 = Math.floor(Math.random() * 6);
  // need to add 1 to avoid zero based output
  output.push(die1 + 1);
  output.push(die2 + 1);
  return output;
}