freeCodeCamp Challenge Guide: Counting Cards-

I’m having trouble trying to figure out why my code (below) doesn’t work. for the counting cards challenge. Can anyone help explain ?

 
var count = 0;

function cc(card) {
// Only change code below this line
switch(card){
case 2:
case 3:
case 4:
case 5:
case 6:
count++  +  "Bet";
break;
case 10: 
case "J": 
case "Q": 
case "K":
case "A":
count--  +  "Hold";
break;
}

if (count >= 7 && count <= 9){
 count + "Bet";
} else {
 count + "Hold";
}
return "Change Me";
// Only change code above this line
}


cc(2); cc(3); cc(7); cc('K'); cc('A');
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Challenge: Counting Cards

Link to the challenge:

what should this do?

this does nothing

this is your function output

count++ + “Bet”;

should increment count and return the new value + the string “Bet”

it increments alright, but it doesn’t return anything. Also, do you want to determine the string to return based on the card? shouldn’t it be based on the value of count?

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