math.isNaN

This function reports whether the input is an IEEE 754 "not-a-number" value.

Syntax

math.isNaN(input)

Arguments

Argument

Type

Description

input

any

The input to test

Returns

Type

Description

boolean

True, if the input is IEEE 754 "not-a-number".

Examples

The function math.isNaN(1.0) returns false.