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addComma function using recursion

/ Published in: ActionScript
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  1. function addComma(num:Number):String {
  2. 	var tmp = num.toString();
  3. 	if(tmp.length > 3) {
  4. 		return arguments.callee(tmp.substring(0, tmp.length - 3)) +
  5. 		       "," +
  6. 		       tmp.substring(tmp.length - 3, tmp.length);
  7. 	} else {
  8. 		return tmp;
  9. 	}
  10. }

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