Ceil10

math.js

Math.ceil10 = function (value, exp) {
  if (typeof exp === 'undefined' || +exp === 0) {
    return Math['ceil'](value)
  }
  value = +value
  exp = +exp
  // If the value is not a number or the exp is not an integer...
  if (isNaN(value) || !(typeof exp === 'number' && exp % 1 === 0)) {
    return NaN
  }
  // Shift
  value = value.toString().split('e')
  value = Math['ceil'](+(value[0] + 'e' + (value[1] ? (+value[1] - exp) : -exp)))
  // Shift back
  value = value.toString().split('e')
  return +(value[0] + 'e' + (value[1] ? (+value[1] + exp) : exp))
}