Counting-Cards.js

var count = 0;

function cc(card) {
  // Only change code below this line
  function compare(count){
    if(count>0)
    {
      return count+" Bet";
    }
  if(count===0)
    {
      return count+" Hold";
    }
  if(count<0)
    {
      return count+" Hold";
    }
  }
  
  
  if(card>1&&card<7){
     count+=1;
    return compare(count);
  }
   if(card>6&&card<10){
    
    return compare(count);
  }
  if(card==10||card=='J'||card=='Q'||card=='K'||card=='A'){
  
  
   count-=1;
   return compare(count);
  }
 
  
    
}
 // Only change code above this line
// Add/remove calls to test your function.
// Note: Only the last will display
cc(10); 
cc('J'); cc('Q');cc('K'); cc('A'); 
//cc(2); cc(3); cc(4); cc(5); cc(6); 

嵌套函数功能块。