# 這是一篇公開筆記

###### tags: `demo`


export function humanReadifyNumber (n) {
  let number = n
  const text = String(number)

  if (text.length <= 5) {
    return text
  }

  const suffixes = ['', 'k', 'M', 'B']
  let level = Math.floor(Math.log(number) / Math.log(1000))

  if (level > suffixes.length - 1) {
    level = suffixes.length - 1
  }

  number /= Math.pow(1000, level)

  return `${Math.floor(number * 10) / 10}${suffixes[level]}`
}