十进制转化为其他进制

1
2
3
4
5
6
7
8
9
10
11
12
function binary(num, base = 2) {
  const stack = []
  const digits = '0123456789ABCDEF'
  while (num > base - 1) {
    stack.push(digits[num % base])
    num = ~~(num / 2)
  }
  stack.push(digits[num])
  return stack.reverse().join('')
}

console.log(binary(10)) // '1010'