거리 만km 포맷팅 — toFixed(1) 은 반올림하고 0 까지 채운 문자열을 준다(100000 → 10.0만km)1

function formatToManKm(distance: number): string {
  const manKm = (distance / 10000).toFixed(1)

  return `${manKm}만km`
}

formatToManKm(104335) // "10.4만km"

Footnotes

  1. Number.prototype.toFixed() - MDN: “The number is rounded if necessary, and the fractional part is padded with zeros if necessary so that it has the specified length.” ↩

#javascript#formatting
`#325`