minimax5.js

// if it is the computer's turn loop over the moves and choose the move with the highest score
  var bestMove;
  if(player === aiPlayer){
    var bestScore = -10000;
    for(var i = 0; i < moves.length; i++){
      if(moves[i].score > bestScore){
        bestScore = moves[i].score;
        bestMove = i;
      }
    }
  }else{

// else loop over the moves and choose the move with the lowest score
    var bestScore = 10000;
    for(var i = 0; i < moves.length; i++){
      if(moves[i].score < bestScore){
        bestScore = moves[i].score;
        bestMove = i;
      }
    }
  }

// return the chosen move (object) from the moves array
  return moves[bestMove];
}