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  1. function hitungNomorBit(angka, nomorBit) {
  2. 	if (nomorBit !== 0 && nomorBit !== 1) {
  3. 		return null;
  4. 	}
  5.  
  6. 	if (angka === 0) {
  7. 		return (nomorBit === 0) ? 1 : 0;
  8. 	}
  9.  
  10.  
  11. 	let angkaBiner = [];
  12. 	let a = angka;
  13.  
  14. 	while (a > 0) {
  15.     	angkaBiner.push(a % 2);         
  16.     	a = Math.floor(a / 2); 
  17. 	}
  18.  
  19. 	let jumlah = 0;
  20. 	for (let i = 0; i < angkaBiner.length; i++) {
  21.     	if (angkaBiner[i] === nomorBit) {
  22.     	jumlah++;
  23.     	}
  24. 	}
  25.  
  26. 	return jumlah;
  27. }
  28.  
  29. console.log(hitungNomorBit(13, 1));
Success #stdin #stdout 0.04s 16772KB
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https://ideone.com/4CnWIc
language:
JavaScript (SMonkey 60.2.3)
created:
12 days ago
visibility:
public

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