नंबर बेस कनवर्टर - बाइनरी, ऑक्टल, डेसिमल और हेक्स ऑनलाइन

// Number base conversion in JavaScript

// Convert between bases
function convertBase(number, fromBase, toBase) {
  const decimal = BigInt(parseInt(number, fromBase));
  return decimal.toString(toBase).toUpperCase();
}

console.log(convertBase('FF', 16, 2));     // "11111111"
console.log(convertBase('11111111', 2, 16)); // "FF"
console.log(convertBase('255', 10, 8));     // "377"

// Bitwise operations
const a = 0b11001010, b = 0b10110001;
console.log(`AND: ${(a & b).toString(2).padStart(8, '0')}`);
console.log(`OR:  ${(a | b).toString(2).padStart(8, '0')}`);
console.log(`XOR: ${(a ^ b).toString(2).padStart(8, '0')}`);
console.log(`NOT: ${((~a) & 0xFF).toString(2).padStart(8, '0')}`);

// Two's complement
function toTwosComplement(value, bits) {
  if (value >= 0) return value;
  return (1 << bits) + value;
}
console.log(toTwosComplement(-1, 8).toString(2)); // "11111111"