@accelint/predicates • Docs
@accelint/predicates / isNumber
isNumber(
val):val is number
Determine if the given value is a number.
Includes Infinities and NaN, does not include strings that look like numbers
• val: unknown
val is number
isNumber(1.23) // true
isNumber(Infinity) // true
isNumber(NaN) // true
isNumber('1.23') // false