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Oct 14th, 2019
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  1. function XO(str) {
  2. let x = 0;
  3. let o = 0;
  4. let ret = str.toLowerCase().split("")
  5.  
  6. for( i = 0; i < ret.length; ++i) {
  7. if(ret[i] == "x")
  8. x++;
  9. if(ret[i] == "o")
  10. o++;
  11. };
  12.  
  13.  
  14. if(x === o)
  15. return true;
  16. else if (x !== o)
  17. return false;
  18. if(x === 0 && o === 0)
  19. return true;
  20. };
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